<SEC-DOCUMENT>0001104659-23-122963.txt : 20231204
<SEC-HEADER>0001104659-23-122963.hdr.sgml : 20231204
<ACCEPTANCE-DATETIME>20231204060159
ACCESSION NUMBER:		0001104659-23-122963
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20231204
DATE AS OF CHANGE:		20231204
GROUP MEMBERS:		SAIF IV GP CAPITAL LTD.
GROUP MEMBERS:		SAIF IV GP, L.P.

SUBJECT COMPANY:	

	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:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79318
		FILM NUMBER:		231461190

	BUSINESS ADDRESS:	
		STREET 1:		NO. 39 SHANGDI XI ROAD
		STREET 2:		HAIDIAN DISTRICT
		CITY:			BEIJING
		STATE:			F4
		ZIP:			100085
		BUSINESS PHONE:		86-10-82890088

	MAIL ADDRESS:	
		STREET 1:		NO. 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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAIF Partners IV L.P.
		CENTRAL INDEX KEY:			0001472789
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		SAIF PARTNERS, 2 PACIFIC PL., STE. 2115
		STREET 2:		88 QUEENSWAY
		CITY:			HONG KONG
		STATE:			K3
		ZIP:			00000
		BUSINESS PHONE:		852-2918-2205

	MAIL ADDRESS:	
		STREET 1:		SAIF PARTNERS, 2 PACIFIC PL., STE. 2115
		STREET 2:		88 QUEENSWAY
		CITY:			HONG KONG
		STATE:			K3
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tm2332066d1_sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Under the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Amendment No.&nbsp;11)*</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>SINOVAC BIOTECH
LTD.&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Shares&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class&nbsp;of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>P8696W104&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Andrew Y. Yan&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>c/o SAIF Advisors Limited&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Suite&nbsp;2516-2520, Two Pacific Place&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>88 Queensway&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Hong Kong&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>+852 2918-2200&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, Address and Telephone Number of Person<BR>
Authorized to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>December 1, 2023&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Date of Event which Requires Filing of this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If the filing person has previously filed a statement on Schedule
13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of &sect;&sect;240.13d-1(e),
240.13d-1(f)&nbsp;or 240.13d-1(g), check the following box. <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Note</B>: Schedules filed in paper format shall include a signed
original and five copies of the schedule, including all exhibits. See &sect;240.13d-7 for other parties to whom copies are to be sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">*The remainder of this cover page&nbsp;shall be filled out for a reporting
person&rsquo;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing
information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information required on the remainder of this cover page&nbsp;shall
not be deemed to be &ldquo;filed&rdquo; for the purpose of Section&nbsp;18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see
the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; font-size: 10pt">CUSIP No.&nbsp;P8696W104</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 33%; font-size: 10pt; text-align: right">Page&nbsp;2 of 6&nbsp;Pages</TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; font-size: 10pt; width: 0.5in; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Names of Reporting Persons</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SAIF Partners IV L.P.</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b)&nbsp; <FONT STYLE="font-family: Wingdings">&#120;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC Use Only</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Source of Funds (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">WC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)&nbsp;or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Cayman Islands</P></TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD ROWSPAN="12" STYLE="padding-top: 2pt; width: 1in; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person With</P></TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; width: 0.5in; font-size: 10pt; padding-bottom: 2pt">7.</TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; font-size: 10pt; padding-bottom: 2pt">Sole Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">8.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">9.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Sole Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; width: 0.5in; font-size: 10pt; padding-bottom: 2pt">11.</TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Aggregate Amount Beneficially Owned
    by Each Reporting Person</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">12.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Check if the Aggregate Amount In Row (11) Excludes Certain Shares
    (see Instructions)&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">13.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Percent of Class&nbsp;Represented by Amount in Row (11)</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">15.03%<SUP>(2)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">14.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Type of Reporting Person (see Instructions)</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">PN</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(1) Representing 10,780,820 Common Shares of the Issuer held by SAIF
Partners IV L.P. before taking into account the issuance of the Exchange Shares (as defined in the Issuer&rsquo;s annual report on Form
20-F for the fiscal year ended December 31, 2022 (the &ldquo;2022 Annual Report&rdquo;)). SAIF Partners IV L.P. would hold 21,561,640
shares of the Issuer, after taking into account the issuance of the Exchange Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(2) The percentage of 15.03% is calculated based on 71,724,902 Common
Shares of the Issuer outstanding as of March&nbsp;31, 2023 according to the 2022 Annual Report, before taking into account the issuance
of the Exchange Shares. This percentage would be 18.89% if calculated based on&nbsp;21,561,640 shares of the Issuer that SAIF Partners
IV L.P. would hold and <FONT STYLE="color: #333333; background-color: white">114,133,056 shares (including 99,502,243 Common Shares and
14,630,813 Series B Preferred Shares)&nbsp;</FONT>of the Issuer as of March&nbsp;31, 2023, taking into account the issuance of the Exchange
Shares, according to the 2022 Annual Report.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; font-size: 10pt">CUSIP No.&nbsp;P8696W104</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 33%; font-size: 10pt; text-align: right">Page&nbsp;3 of 6&nbsp;Pages</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; font-size: 10pt; padding-bottom: 2pt; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Names of Reporting Persons</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SAIF IV GP, L.P.</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b)&nbsp; <FONT STYLE="font-family: Wingdings">&#120;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC Use Only</FONT></P>
                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Source of Funds (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">WC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)&nbsp;or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Cayman Islands</P></TD></TR>
  </TABLE>

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  <TR>
    <TD ROWSPAN="12" STYLE="padding-top: 2pt; width: 1in; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person With</P></TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; width: 0.5in; font-size: 10pt; padding-bottom: 2pt">7.</TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; font-size: 10pt; padding-bottom: 2pt">Sole Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">8.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">9.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Sole Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  </TABLE>
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  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt; width: 0.5in">11.</TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Aggregate Amount Beneficially Owned by Each Reporting Person </TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">12.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Check if the Aggregate Amount in Row (11) Excludes Certain Shares
    (see Instructions)&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">13.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Percent of Class&nbsp;Represented by Amount in Row (11) </TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">15.03%<SUP>(2)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">14.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Type off Reporting Person (see Instructions)</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">PN</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(1) Representing 10,780,820 Common Shares of the Issuer held by SAIF
Partners IV L.P. before taking into account the issuance of the Exchange Shares. SAIF Partners IV L.P. would hold 21,561,640 shares of
the Issuer, after taking into account the issuance of the Exchange Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(2) The percentage of 15.03% is calculated based on 71,724,902 Common
Shares of the Issuer outstanding as of March&nbsp;31, 2023 according to the 2022 Annual Report, before taking into account the issuance
of the Exchange Shares. This percentage would be 18.89% if calculated based on&nbsp;21,561,640 shares of the Issuer that SAIF Partners
IV L.P. would hold and <FONT STYLE="color: #333333; background-color: white">114,133,056 shares (including 99,502,243 common shares and
14,630,813 Series B Preferred Shares) </FONT>of the Issuer as of March&nbsp;31, 2023, taking into account the issuance of the Exchange
Shares, according to the 2022 Annual Report.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; font-size: 10pt">CUSIP No.&nbsp;P8696W104</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 33%; font-size: 10pt; text-align: right">Page&nbsp;4 of 6&nbsp;Pages</TD></TR>
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  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; font-size: 10pt; padding-bottom: 2pt; width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; border-bottom: black 1pt solid; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Names of Reporting Persons</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SAIF IV GP Capital Ltd.</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the Appropriate Box if a Member of a Group (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)&nbsp;
    </FONT><FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(b)&nbsp; <FONT STYLE="font-family: Wingdings">&#120;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">SEC Use Only</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Source of Funds (See Instructions)</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">WC</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)&nbsp;or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">&nbsp;</FONT></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Citizenship or Place of Organization</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 12pt">&nbsp;</FONT></P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Cayman Islands</P></TD></TR>
  </TABLE>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD ROWSPAN="12" STYLE="padding-top: 2pt; width: 1in; padding-bottom: 2pt">
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Number of</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Shares</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Beneficially</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Owned by</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Each</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Reporting</P>
    <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Person With</P></TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; width: 0.5in; font-size: 10pt; padding-bottom: 2pt">7.</TD>
    <TD STYLE="padding-top: 2pt; vertical-align: top; font-size: 10pt; padding-bottom: 2pt">Sole Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">8.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Voting Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">9.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Sole Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Shared Dispositive Power</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">0</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; width: 0.5in; font-size: 10pt; padding-bottom: 2pt">11.</TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Aggregate Amount Beneficially Owned by Each Reporting Person </TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">10,780,820<SUP>(1)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">12.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (see Instructions)&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">13.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Percent of Class&nbsp;Represented by Amount in Row (11) </TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">15.03%<SUP>(2)</SUP></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">14.</TD>
    <TD STYLE="padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">Type off Reporting Person (see Instructions)</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-top: 2pt; font-size: 10pt; padding-bottom: 2pt">CO</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(1) Representing 10,780,820 Common Shares of the Issuer held by SAIF
Partners IV L.P. before taking into account the issuance of the Exchange Shares. SAIF Partners IV L.P. would hold 21,561,640 shares of
the Issuer, after taking into account the issuance of the Exchange Shares.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(2) The percentage of 15.03% is calculated based on 71,724,902 Common
Shares outstanding of the Issuer as of March&nbsp;31, 2023 according to the 2022 Annual Report, before taking into account the issuance
of the Exchange Shares. This percentage would be 18.89% if calculated based on&nbsp;21,561,640 shares of the Issuer that SAIF Partners
IV L.P. would hold and <FONT STYLE="color: #333333; background-color: white">114,133,056 shares (including 99,502,243 common shares and
14,630,813 Series B Preferred Shares) </FONT>of the Issuer as of March&nbsp;31, 2023, taking into account the issuance of the Exchange
Shares, according to the 2022 Annual Report.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; width: 34%">CUSIP No.&nbsp;P8696W104</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; text-align: right; width: 33%">Page&nbsp;5 of 6&nbsp;Pages</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 31.5pt"><FONT STYLE="font-weight: normal">This Amendment
No.11 to Schedule 13D is being filed on behalf of each of SAIF Partners IV L.P., SAIF IV GP, L.P., and SAIF IV GP Capital Ltd. (each,
a &ldquo;Reporting Person,&rdquo; and collectively, the &ldquo;Reporting Persons&rdquo;), to amend the Schedule 13D relating to the common
shares, par value $0.001 per share (the &ldquo;Common Shares&rdquo;), of Sinovac Biotech Ltd. (the &ldquo;Issuer&rdquo;), filed by the
Reporting Persons on May 31, 2011, as amended by Amendment No.1 to Schedule 13D filed on August 23, 2011, Amendment No.2 to Schedule 13D
filed on September 30, 2011, Amendment No.3 to Schedule 13D filed on November 29, 2011, Amendment No.4 to Schedule 13D filed on December
30, 2011, Amendment No.5 to Schedule 13D filed on February 2, 2016, Amendment No. 6 to Schedule 13D filed on June 26, 2017, Amendment
No. 7 to Schedule 13D filed on December 12, 2022, Amendment No. 8 to Schedule 13D filed on March 15, 2023, Amendment No. 9 to Schedule
13D filed on May 25, 2023 and Amendment No. 10 to Schedule 13D filed on September 15, 2023 (the &ldquo;Original Schedule 13D&rdquo;).
The information in each Item below amends the information disclosed under the corresponding Item of the Original Schedule 13D. Except
as amended and supplemented in previous amendments and herein, the information set forth in the Original Schedule 13D remains unchanged.
Capitalized terms used herein have meanings as assigned thereto in the Original Schedule 13D unless defined herein. The information set
forth in response to each separate Item below shall be deemed to be a response to all Items where such information is relevant.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 31.5pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 6.&nbsp;&nbsp;&nbsp;Contracts, Arrangements, Understandings or Relationships
with Respect to Securities of the Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Item 6 is hereby amended and supplemented as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On December 1, 2023, the Seller and the Buyer entered
into an amendment No.4 to the Investment Agreement (the &ldquo;Amendment No.4&rdquo;) to extend the period of the Buyer&rsquo;s right
of first refusal period (&ldquo;ROFR Period&rdquo;), during which the Buyer has a right to elect to purchase all of the shares of the
Issuer that the Seller would sell to any person (other than any of its affiliate or an existing limited partner) at the same price and
subject to the same material terms and conditions proposed by such person under the Investment Agreement (as amended), to May 25, 2024.
As a result of this extension of the ROFR Period, the period during which the Buyer may exercise the Put Option is also extended in the
following manner: (i) if the Buyer and the Seller enter into a share purchase agreement with respect to any shares of the Issuer by May
25, 2024, the Seller may exercise the Put Option prior to the closing of the sales under such share purchase agreement to sell the Put
Option Shares to the Buyer; and (ii) if no such share purchase agreement is executed by May 25, 2024, the Seller may exercise the Put
Option within 15 business days immediately after May 25, 2024 to sell the Put Option Shares to the Buyer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="background-color: white">References
to each of the Investment Agreement and the Amendment No.4 in this Statement are qualified in their entirety by reference to the Investment
Agreement and the Amendment No.4, which are attached hereto as exhibits or incorporated herein by reference as if set forth in their entirety
herein.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 7. Material to Be Filed as Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 7 of the Original Schedule 13D is hereby amended and restated
as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1in"><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000114420417034230/v469618_ex7-01.htm" STYLE="-sec-extract: exhibit">Exhibit 7.01</A></TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000114420417034230/v469618_ex7-01.htm" STYLE="-sec-extract: exhibit">Joint Filing Agreement by and among SAIF Partners IV L.P., SAIF IV GP L.P. and SAIF IV GP Capital Ltd., dated as of June 27, 2017.</A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465922126053/tm2231278d1_ex7-02.htm" STYLE="-sec-extract: exhibit">Exhibit 7.02</A></TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465922126053/tm2231278d1_ex7-02.htm" STYLE="-sec-extract: exhibit">Investment Agreement dated November 1, 2022 between SAIF Partner IV L.P. and YZ Healthcare L.P.</A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923032441/tm239636d1_ex7-03.htm" STYLE="-sec-extract: exhibit">Exhibit 7.03</A></TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923032441/tm239636d1_ex7-03.htm" STYLE="-sec-extract: exhibit">Amendment No.1 to Investment Agreement dated March 15, 2023 between SAIF Partner IV L.P. and YZ Healthcare L.P.</A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923064358/tm2316985d1_ex7-04.htm" STYLE="-sec-extract: exhibit">Exhibit 7.04</A></TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923064358/tm2316985d1_ex7-04.htm" STYLE="-sec-extract: exhibit">Amendment No.2 to Investment Agreement dated May 25, 2023 between SAIF Partner IV L.P. and YZ Healthcare L.P.</A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923101005/tm2326228d1_ex7-05.htm" STYLE="-sec-extract: exhibit">Exhibit 7.05</A></TD>
    <TD><A HREF="https://www.sec.gov/Archives/edgar/data/1084201/000110465923101005/tm2326228d1_ex7-05.htm" STYLE="-sec-extract: exhibit">Amendment No.3 to Investment Agreement dated September 15, 2023 between SAIF Partner IV L.P. and YZ Healthcare L.P.</A></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><A HREF="tm2332066d1_ex7-06.htm" STYLE="-sec-extract: exhibit">Exhibit 7.06</A></TD>
    <TD><A HREF="tm2332066d1_ex7-06.htm" STYLE="-sec-extract: exhibit">Amendment No.4 to Investment Agreement dated December 1, 2023 between SAIF Partner IV L.P. and YZ Healthcare L.P.</A></TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; font-size: 10pt">CUSIP No.&nbsp;P8696W104</TD>
    <TD STYLE="width: 33%">&nbsp;</TD>
    <TD STYLE="width: 33%; font-size: 10pt; text-align: right">Page&nbsp;6 of 6&nbsp;Pages</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURE</B></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">After reasonable inquiry and to the best of my
knowledge and belief,&nbsp;I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated: December 4, 2023</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">SAIF Partners IV L.P.</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 45%; font-size: 10pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD>
    <P STYLE="border-bottom: Black 0.5pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Andrew Y. Yan</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name:</TD>
    <TD STYLE="font-size: 10pt">Andrew Y. Yan</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Title:</TD>
    <TD STYLE="font-size: 10pt">Director of SAIF IV GP Capital Ltd., which is the General Partner of SAIF IV GP, L.P., which is the General Partner of SAIF Partners IV L.P.</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>

<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt">SAIF IV GP L.P.</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 45%; font-size: 10pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD>
    <P STYLE="border-bottom: Black 0.5pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Andrew Y. Yan</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name:</TD>
    <TD STYLE="font-size: 10pt">Andrew Y. Yan</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Title:</TD>
    <TD STYLE="font-size: 10pt">Director of SAIF IV GP Capital Ltd., which is the General Partner of SAIF IV GP, L.P.</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>

<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; font-size: 10pt">SAIF IV GP Capital Ltd.</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%; padding-right: 5.4pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 45%; padding-right: 5.4pt; font-size: 10pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; font-size: 10pt">By:</TD>
    <TD STYLE="padding-right: 5.4pt">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Andrew Y. Yan</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; font-size: 10pt">Name:</TD>
    <TD STYLE="padding-right: 5.4pt; font-size: 10pt">Andrew Y. Yan</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; font-size: 10pt">Title:</TD>
    <TD STYLE="padding-right: 5.4pt; font-size: 10pt">Director of SAIF IV GP Capital Ltd.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P>

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<DOCUMENT>
<TYPE>EX-7.06
<SEQUENCE>2
<FILENAME>tm2332066d1_ex7-06.htm
<DESCRIPTION>EXHIBIT 7.06
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="text-align: right; margin: 0"><B>Exhibit 7.06</B></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>AMENDMENT NO.4 TO THE INVESTMENT AGREEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">This AMENDMENT NO.4 TO THE INVESTMENT
AGREEMENT (this &ldquo;<B><I>Amendment</I></B>&rdquo;) dated as of December&nbsp;1, 2023 is made by and between (i)&nbsp;SAIF PARTNERS
IV L.P., an exempted limited partnership registered and existing under the Laws of the Cayman Islands (the &ldquo;<B><I>Seller</I></B>&rdquo;)
and (ii)&nbsp;YZ Healthcare L.P., an exempted partnership established under the Laws of the Cayman Islands (the &ldquo;<B><I>Buyer</I></B>&rdquo;).
The Buyer and the Seller are hereinafter referred to as the &ldquo;<B><I>Parties</I></B>&rdquo; and each a &ldquo;<B><I>Party</I></B>&rdquo;<I>.</I></P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">WHEREAS, the Parties have entered
into that certain investment agreement dated November&nbsp;23, 2022, as amended by (i)&nbsp;an amendment No.1 to the investment agreement
dated March&nbsp;15, 2023, (ii)&nbsp;an amendment No.2 to the investment agreement dated May&nbsp;25, 2023, and (ii)&nbsp;an amendment
No.3 to the investment agreement dated September&nbsp;15, 2023 (collectively, the &ldquo;<B><I>Investment Agreement</I></B>&rdquo;), upon
the terms and subject to the conditions of which, the Seller desires to sell to the Buyer, and the Buyer desires to purchase from the
Seller, certain Common Shares and Exchange Shares (each as defined in the Investment Agreement), all upon the terms and conditions set
forth in the Investment Agreement.</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">WHEREAS, the Parties desire
to amend the Investment Agreement so as to extend the ROFR Period (as defined in the Investment Agreement) for another three months following
the expiry date comtemplated under the Investment Agreement.</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">NOW THEREFORE, in consideration
of the foregoing and the mutual promises, covenants and agreements of the Parties contained herein, the Parties agree as follows:</P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">1.</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 10pt"><U>Amendment
to the Investment Agreement</U>. Section&nbsp;2.2 of the Investment Agreement is hereby deleted in its entirety and replaced with the
following:</FONT></P>

<P STYLE="text-align: left; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left">&ldquo;Section&nbsp;2.2 <U>Notice of
Transfer.</U> For a period beginning on the Deposit Payment Date and ending on May&nbsp;25, 2024 (both inclusive, the &ldquo;<B><I>ROFR
Period</I></B>&rdquo;), the Seller shall not Transfer any Common Shares or Exchange Shares to any Person unless the Seller (i)&nbsp;has
first complied with the provisions of this Article&nbsp;II and (ii)&nbsp;Transfers all (and not less than all) of the Common Shares held
by it and the Exchange Shares held by it or to be released to its account (as the case may be) to a purchaser or a group of purchasers,
save that (x)&nbsp;the Seller may Transfer any Common Shares or Exchange Shares to any Affiliate of the Seller without complying with
the other provisions of this Article&nbsp;II provided that (A)&nbsp;the Seller shall continue to be entitled to 100% of the economic interest
in any Common Shares and Exchange Shares so Transferred and (B)&nbsp;such Affiliate delivers to the other Parties a deed of adherence
to this Agreement in a form reasonably satisfactory to the other Parties, agreeing to be bound by this Agreement as if it were the Seller
and (y)&nbsp;the Seller may Transfer any Common Shares or Exchange Shares in compliance with Section&nbsp;2.6. During the ROFR Period,
if the Seller proposes to Transfer all or a portion of the Common Shares held by it and/or the Exchange Shares that are held by it or
may be released to its account to a purchaser or a group of purchasers (the &ldquo;<B><I>Transferee</I></B>&rdquo;), then at least seven
(7)&nbsp;Business Days before the earlier of such Transfer or its entry into any definitive agreement regarding such Transfer, the Seller
shall give the Buyer written notice of the Seller&rsquo;s intention to make the Transfer (the &ldquo;<B><I>Transfer Notice</I></B>&rdquo;),
which shall include (A)&nbsp;a description of the shares of the Company to be transferred (the &ldquo;<B><I>Offered Shares</I></B>&rdquo;),
(B)&nbsp;the consideration and the material terms and conditions upon which the proposed Transfer is to be made, including a copy of the
draft share purchase agreement (and such other definitive agreement) to be entered into between the Seller and the Transferee.&rdquo;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">2.</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 10pt"><U>Definitions;
References</U>. Unless otherwise speicifcally defined herein, all capitalized terms used but not defined herein shall have the meanings
abscribed to them under the Investment Agreement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">3.</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 10pt"><U>Effectiveness;
No Further Amendment</U>. All of the provisions of this Amendment shall be effective as of the date hereof. The Parties agree that all
other provisions of the Investment Agreement shall, subject to the amendment in Section&nbsp;1 of this Amendment, continue unamended,
in full force and effect and constitute legal and binding obligations of the Parties. This Amendment forms an integral and inseparable
part of the Investment Agreement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">4.</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 10pt"><U>Others</U>.
Section&nbsp;6.4 (<I>Confidentiality</I>), Section&nbsp;7.2 (<I>Amendment; Waivers</I>) to Section&nbsp;7.12 (<I>No Strict Construction</I>)
of the Investment Agreement are hereby incorporated by reference and made applicable to this Amendment&nbsp;<I>mutatis mutandis</I>.</FONT></P>

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blank.]</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">IN WITNESS WHEREOF, the Parties
hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year first above written.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps"><B>SAIF PARTNERS IV L.P.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">By: SAIF IV GP, L.P., its general partner</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">By: SAIF IV GP Capital Ltd., its general partner</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By: </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 45%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Andrew Y. Yan</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: </FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Andrew Y. Yan</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title: </FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Address: M&amp;C Corporate Services Limited, PO Box 309 GT, Ugland House, South Church Street, George Town, Grand Cayman, Cayman Islands (with a copy to: c/o SAIF Advisors Limited, 2516-2520, Two Pacific Place, 88 Queensway, Hong Kong)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Telephone: 852-2918 2200</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Fax: 852-2234 9116</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">E-mail: <U>pwan@sbaif.com</U> / <U>achan@sbaif.com</U></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Attention: Patrick Wan / Anita Chan</FONT></TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">IN WITNESS WHEREOF, the Parties
hereto have caused this Amendment to be duly executed by their respective authorized officers as of the day and year first above written.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps"><B>YZ Healthcare L.P.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; font-variant: small-caps">By: YZ HEALTHCARE GP LIMITED, its general partner</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By: </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 45%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Jiao Shuge</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: </FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Jiao Shuge</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:</FONT></TD>
    <TD> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Director</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Address: Level 23, 28 Henessy Road.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Hong Kong</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Telephone: 2972 0222</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Fax: 2972 0611</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">E-mail: Jason.xu@oci-intl.com</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Attention: Jason Xu</FONT></TD></TR>
  </TABLE>

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