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<SEC-DOCUMENT>0001047469-10-000378.txt : 20100127
<SEC-HEADER>0001047469-10-000378.hdr.sgml : 20100127
<ACCEPTANCE-DATETIME>20100127214516
ACCESSION NUMBER:		0001047469-10-000378
CONFORMED SUBMISSION TYPE:	F-3MEF
PUBLIC DOCUMENT COUNT:		3
<REFERENCE-462B>333-163165
FILED AS OF DATE:		20100127
DATE AS OF CHANGE:		20100127
EFFECTIVENESS DATE:		20100127

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SINOVAC BIOTECH LTD
		CENTRAL INDEX KEY:			0001084201
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			B9
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		F-3MEF
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-164559
		FILM NUMBER:		10551804

	BUSINESS ADDRESS:	
		STREET 1:		39 SHANGDI XI ROAD
		STREET 2:		HAIDIAN DISTRICT
		CITY:			BEIJING
		STATE:			F4
		ZIP:			100085
		BUSINESS PHONE:		86-10-82890088

	MAIL ADDRESS:	
		STREET 1:		39 SHANGDI XI ROAD
		STREET 2:		HAIDIAN DISTRICT
		CITY:			BEIJING
		STATE:			F4
		ZIP:			100085

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NET FORCE SYSTEMS INC
		DATE OF NAME CHANGE:	19991110
</SEC-HEADER>
<DOCUMENT>
<TYPE>F-3MEF
<SEQUENCE>1
<FILENAME>a2196220zf-3mef.htm
<DESCRIPTION>F-3MEF
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>

<div style="font-family:Times New Roman;">

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">As filed
with the Securities and Exchange Commission on January&nbsp;27, 2010</font></b></p>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration
No.&nbsp;333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></b></p>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:solid windowtext 3.0pt;padding:1.0pt 0in 1.0pt 0in;">

<p style="border:none;margin:0in 0in .0001pt;padding:0in;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,&nbsp;D.C.
20549</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;F-3</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">REGISTRATION STATEMENT UNDER</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">THE SECURITIES ACT OF 1933</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SINOVAC BIOTECH LTD.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in its
charter)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Not Applicable</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Translation of registrant&#146;s name into
English)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Antigua, West Indies</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Not Applicable</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
  jurisdiction of</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">incorporation or
  organization)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification Number)</font></p>
  </td>
 </tr>
</table>

</div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">No.&nbsp;39 Shangdi Xi Road,</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Haidian District, Beijing 100085</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">People&#146;s Republic of China</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Tel: +86-10-8289-0088</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address and telephone number of registrant&#146;s
principal executive offices)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><hr size="1" width="25%" noshade color="black" align="center"></div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Law Debenture Corporate Services
Inc.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">400 Madison Avenue, 4th Floor</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">New York, New York 10017</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">212-750-6474</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name, address and telephone number of agent
for service)</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><hr size="1" width="25%" noshade color="black" align="center"></div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Copies to:</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">David T.
Zhang,&nbsp;Esq.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Eugene Y.
Lee,&nbsp;Esq.</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Latham&nbsp;&amp;
Watkins</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">41</font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">st</font><font size="2" style="font-size:10.0pt;">&#160;Floor, One Exchange Square</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8 Connaught Place,
Central</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Hong Kong</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">+852-2522-7886</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><hr size="1" width="25%" noshade color="black" align="center"></div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Approximate
date of commencement of proposed sale to the public: as soon as practicable
after the effective date of this registration statement.</font></b></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If the only securities being
registered on this Form&nbsp;are being offered pursuant to dividend or interest
reinvestment plans, please check the following box.&nbsp;&nbsp;&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If any of the securities
being registered on this Form&nbsp;are to be offered on a delayed or continuous
basis pursuant to Rule&nbsp;415 under the Securities Act of 1933, check the
following box.&#160; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If this Form&nbsp;is filed to
register additional securities for an offering pursuant to Rule&nbsp;462(b)&nbsp;under
the Securities Act, please check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.&#160; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font><font size="2" style="font-size:10.0pt;"> File No.&nbsp;333-163165</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If this Form&nbsp;is a
post-effective amendment filed pursuant to Rule&nbsp;462(c)&nbsp;under the
Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.&#160; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If this Form&nbsp;is a
registration statement pursuant to General Instruction I.C. or a post-effective
amendment thereto that shall become effective upon filing with the Commission
pursuant to Rule&nbsp;462(e)&nbsp;under the Securities Act, check the following
box.&#160; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="line-height:normal;margin:0in 0in .0001pt;text-align:left;text-autospace:none;text-indent:.25in;text-justify:inter-ideograph;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If this Form&nbsp;is a
post-effective amendment to a registration statement filed pursuant to General
Instruction I.C. filed to register additional securities or additional classes
of securities pursuant to Rule&nbsp;413(b)&nbsp;under the Securities Act, check
the following box.&#160; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><hr size="1" width="25%" noshade color="black" align="center"></div>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CALCULATION OF
REGISTRATION FEE</font></b></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="1" cellspacing="0" cellpadding="0" width="100%" style="border:none;border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="37%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:37.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Title of each class of<br>
  securities to be registered</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Amount to be<br>
  registered (1)</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Proposed<br>
  maximum&nbsp;offering<br>
  price per unit</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="15%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:15.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Proposed&nbsp;maximum<br>
  aggregate<br>
  offering price (2)</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Amount of<br>
  registration<br>
  fee</font></b></p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.0%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="37%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:37.5%;">
  <p style="margin:0in 0in .0001pt 10.0pt;text-autospace:none;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Common
  shares, par value US$&nbsp;0.001 per share</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.0%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1,500,000</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.5%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">US$5.75</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:15.0%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">US$8,625,000</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="12%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:12.0%;">
  <p align="right" style="margin:0in 0in .0001pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">US$642</font></b></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 1.5pt;padding:0in 0in 0in 0in;width:1.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt .25in;text-autospace:none;text-indent:-.25in;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.34%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font></p>
  </td>
  <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.66%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Includes (i)&nbsp;common shares initially offered and sold outside the
  United States that may be resold from time to time in the United States
  either as part of their distribution or within 40 days after the later of the
  effective date of this registration statement and the date the shares are
  first bona fide offered to the public and (ii)&nbsp;common shares that may be
  purchased by the underwriters pursuant to an over-allotment option. These
  common shares are not being registered for the purposes of sales outside of
  the United States.</font></p>
  </td>
 </tr>
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.34%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font></p>
  </td>
  <td width="95%" valign="top" style="padding:0in 0in 0in 0in;width:95.66%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In accordance with Rule&nbsp;462(b)&nbsp;under Securities Act of 1933,
  an additional amount of common shares having a proposed maximum aggregate
  offering price of the securities eligible to be sold under the related
  registration statement on Form&nbsp;F-3 (File No.&nbsp;333-163165) (the
  &#147;Initial Registration Statement&#148;), is hereby registered. The registrant
  previously registered 10,000,000 common shares on the Initial Registration
  Statement for which a filing fee of $4,671 was paid.</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This registration statement will become
effective upon filing with the Securities and Exchange Commission in accordance
with Rule&nbsp;462(b)&nbsp;under the Securities Act of 1933.</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="border-bottom:solid windowtext 3.0pt;border-left:none;border-right:none;border-top:solid windowtext 1.0pt;padding:1.0pt 0in 1.0pt 0in;">

<p style="border:none;margin:0in 0in .0001pt;padding:0in;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>

</div>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;text-autospace:none;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- ZEQ.=1,SEQ=1,EFW="2196220",CP="SINOVAC BIOTECH LTD",DN="1",CHK=550768,FOLIO='',FILE="DISK106:[10ZAC8.10ZAC14308]1643-8-BA_ZAC14308.CHC",USER="TDIMIZI",CD='Jan 27 20:56 2010' -->



<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Explanatory
Note</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:24.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This
registration statement is being filed pursuant to Rule&nbsp;462(b)&nbsp;under
the Securities Act of 1933. The contents of the registration statement on Form&nbsp;F-3
(Registration No.&nbsp;333-163165) initially filed by Sinovac Biotech Ltd. with
the Securities and Exchange Commission (the &#147;Commission&#148;) on November&nbsp;18,
2009, which was declared effective by the Commission on November&nbsp;30, 2009,
are incorporated herein by reference.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;text-autospace:none;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
<!-- ZEQ.=1,SEQ=2,EFW="2196220",CP="SINOVAC BIOTECH LTD",DN="1",CHK=908789,FOLIO='',FILE="DISK106:[10ZAC8.10ZAC14308]1643-8-BE_ZAC14308.CHC",USER="TDIMIZI",CD='Jan 28 06:24 2010' -->



<div>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;text-indent:0in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;text-indent:0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="color:black;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;">Pursuant to the requirements of the
Securities Act of 1933, the registrant certifies that it has reasonable grounds
to believe that it meets all of the requirements for filing on Form&nbsp;F-3
and has duly caused this registration statement to be signed on its behalf by
the undersigned, thereunto duly authorized, in Beijing, People&#146;s Republic of
China, on January&nbsp;27, 2010.</font></p>

<p style="color:black;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SINOVAC
  BIOTECH LTD.</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.06%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="44%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:44.44%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.06%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="44%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:44.44%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Weidong Yin</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.06%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
  <td width="37%" valign="top" style="border:none;border-top:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:37.78%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Weidong Yin</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.06%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>
  </td>
  <td width="37%" valign="top" style="padding:0in 0in 0in 0in;width:37.78%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive Officer</font></p>
  </td>
 </tr>
</table>

<p style="layout-grid-mode:char;margin:0in 0in .0001pt 233.9pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="color:black;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;">Pursuant to the requirements of the
Securities Act of 1933, this registration statement has been signed by the
following persons in the capacities and on January&nbsp;27, 2010.</font></p>

<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Signature</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="48%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Title</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.48%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Weidong Yin</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Weidong Yin</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chairman and Chief Executive Officer<br>
  (principal executive officer)</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Jinling Qin</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jinling Qin</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Acting Chief Financial Officer<br>
  (principal financial and accounting officer)</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Xianping Wang</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Simon Anderson</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Yuk Lam Lo</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chup Hung Mok</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.52%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Jasmine
  Marrero</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
  <td width="41%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jasmine Marrero</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Authorized U.S.
  Representative</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>
  </td>
  <td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Manager</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Law Debenture
  Corporate Services Inc.</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*By:</font></p>
  </td>
  <td width="41%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Weidong Yin </font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="41%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:&nbsp;&nbsp;&nbsp;&nbsp;Weidong
  Yin</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.86%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attorney-in-fact</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.0%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.48%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">II-2<a name="1643-8-JC_PB_2_062926_2897"></a></font></p>

<div style="margin:0in 0in .0001pt;text-autospace:none;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INDEX TO EXHIBITS</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="11%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:11.5%;">
  <p style="layout-grid-mode:char;margin:0in 0in .0001pt;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit<br>
  Number</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="86%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:86.0%;">
  <p align="center" style="layout-grid-mode:char;margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description
  of Document</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp; 5.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="background:yellow;font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of
  Rhudd&nbsp;&amp; Associates regarding the validity of the common shares to be
  registered</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of
  Ernst&nbsp;&amp; Young LLP, Independent Registered Public Accounting Firm</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of
  Rhudd&nbsp;&amp; Associates (included in Exhibit&nbsp;5.1)</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24.1</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.5%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="86%" valign="top" style="padding:0in 0in 0in 0in;width:86.0%;">
  <p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Powers of
  Attorney (incorporated by reference to Exhibit&nbsp;24.1 to the Registration
  Statement on Form&nbsp;F-3 of Sinovac Biotech Ltd. (Registration
  No.&nbsp;333-163165) filed with the Securities and Exchange Commission on
  November&nbsp;18, 2009).</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">II-3<a name="1643-8-JE_PB_3_062316_3020"></a></font></p>

<div style="margin:0in 0in .0001pt;text-autospace:none;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a2196220zex-5_1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit&nbsp;5.1</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">[Letterhead
of Rhudd&nbsp;&amp; Associates]</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">January&nbsp;27, 2010</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="layout-grid-mode:char;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sinovac Biotech Ltd.</font></p>

<p style="layout-grid-mode:char;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">No.39 Shangdi Xi Road,</font></p>

<p style="layout-grid-mode:char;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Haidian District, Beijing 100085</font></p>

<p style="margin:0in 0in .0001pt 52.85pt;text-indent:-52.85pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">People&#146;s
Republic of China</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dear Sirs,</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Sinovac Biotech Ltd. </font></b><b><font size="2" style="font-size:10.0pt;font-weight:bold;">(the &#147;Company&#148;)</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We have acted as special Antigua and Barbuda
legal counsel to the Company and is furnishing this opinion to you in
connection with the Registration Statement on Form&nbsp;F-3 (the &#147;462(b)&nbsp;Registration
Statement&#148;) being filed by the Company with the Securities and Exchange
Commission (the &#147;SEC&#148;) pursuant Rule&nbsp;462(b)&nbsp;under the U.S. Securities
Act of 1933, as amended (the &#147;Securities Act&#148;), relating to the registration of
up to 1,500,000 common shares of the Company (the &#147;Additional Shares&#148;).&#160; The 462(b)&nbsp;Registration Statement is
being filed in connection with and incorporates by reference the information
contained in, the registration statement on Form&nbsp;F-3 (Registration No.&nbsp;333-163165)
(the &#147;Shelf Registration Statement&#148;) originally filed with the SEC on November&nbsp;18,
2009 with respect to the proposed issuance by the Company of up to 10,000,000.00
common shares (together with the Additional Shares, the &#147;Shares&#148;).</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For the purposes of giving this opinion, we
have examined and relied upon copies of the following documents:</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">the 462(b)&nbsp;Registration Statement; and</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">the Shelf Registration Statement.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We have also reviewed and relied upon (i)&nbsp;the
articles of incorporation and by-laws of the Company, (ii)&nbsp;a copy of the
written resolutions of the board of directors of the Company, (iii)&nbsp;the
register of members of the Company, and (iv)&nbsp;such other documents and made
such enquiries as to questions of law as we have deemed necessary in order to
render the opinion set forth below.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We have made no investigation of and express no
opinion in relation to the laws of any jurisdiction other than Antigua and
Barbuda. This opinion is to be governed by and construed in accordance with the
laws of Antigua and Barbuda and is limited to and is given on the basis of the
current law and practice in Antigua and Barbuda.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On the basis of and subject to the foregoing,
we are of the opinion that:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">The Company is duly incorporated and existing under the laws of Antigua
and Barbuda.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

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<div style="font-family:Times New Roman;">

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">On the assumption that the Shares have been duly authorised prior to the
issuance of such Shares, and when the Shares have been issued, delivered and
paid for in the manner described in and pursuant to the terms of the
Registration Statement and any prospectus supplement filed pursuant thereto,
the Shares will be validly issued, fully paid and non-assessable (meaning that
no further sums are payable to the Company with respect to the holding of such
Shares).</font></p>

<p style="margin:0in 0in .0001pt .75in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We hereby consent to the filing of this opinion
with the SEC as an exhibit to the Registration Statement and to the references
to us under the headings &#147;Enforcement of Civil Liabilities&#148; and &#147;Validity of
the Securities&#148; in the Registration Statement (including any prospectus and
prospectus supplement filed pursuant thereto). In giving such consent, we do
not thereby admit that we come within the category of persons whose consent is
required under Section&nbsp;7 of the Securities Act, or the Rules&nbsp;and
Regulations of the SEC thereunder.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Yours faithfully,</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/Septimus A. Rhudd</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Septimus A. Rhudd</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rhudd&nbsp;&amp; Associates</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attorneys-at-Law</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SAR/ab</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>a2196220zex-23_1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit&nbsp;23.1</font></b></p>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 align="center" style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">CONSENT
OF INDEPENDENT REGISTERED</font></b></h1>

<h1 align="center" style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h1>

<h1 align="center" style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">PUBLIC
ACCOUNTING FIRM</font></b></h1>

<h1 align="center" style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h1>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
consent to the reference to our firm under the caption &#147;Experts&#148; <font face="Times New Roman">in the Registration Statement
(Form&nbsp;F-3) filed with </font>the Securities and Exchange Commission<font face="Times New Roman"> on January&nbsp;27, 2010 and
related Prospectus of </font>Sinovac Biotech Ltd. <font face="Times New Roman">for the registration of
1,500,000 common shares and to the incorporation by reference therein </font>of
our reports dated April&nbsp;8, 2009, with respect to the consolidated
financial statements <font face="Times New Roman">of
</font>Sinovac Biotech Ltd. and the effectiveness of internal control of
financial reporting of Sinovac Biotech Ltd., included in its Annual Report on Form&nbsp;20-F
(as amended) for the year ended December&nbsp;31, 2008, filed with the
Securities and Exchange Commission.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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  <td width="53%" valign="top" style="padding:0in 0in 0in 0in;width:53.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/
  Ernst&nbsp;&amp; Young LLP</font></p>
  </td>
 </tr>
 <tr>
  <td width="53%" valign="top" style="padding:0in 0in 0in 0in;width:53.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vancouver,
  Canada</font></p>
  </td>
  <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="53%" valign="top" style="padding:0in 0in 0in 0in;width:53.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">January&nbsp;27,
  2010</font></p>
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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="53%" valign="top" style="padding:0in 0in 0in 0in;width:53.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.66%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chartered
  Accountants</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

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