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Convertible preferred shares (Tables)
12 Months Ended
Dec. 31, 2016
Convertible preferred shares  
Schedule of preferred shares

Series

 

Issuance Date

 

Shares
Issued

 

Issue Price
per Share

 

Proceeds
from
Issuance

 

Shares
Outstanding

 

Carrying Amount

 

 

 

 

 

 

 

US$

 

US$

 

 

 

RMB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

March 27, 2007

 

155,000,000

 

0.0323

 

5,000

 

155,000,000

 

215,626

 

A-1

 

August 15, 2007

 

130,940,000

 

0.0382

 

5,000

 

36,894,000

 

40,224

 

B

 

January 12, 2009

 

235,310,000

 

0.0892

 

21,000

 

59,539,244

 

88,241

 

C

 

September 21, 2010

 

178,238,250

 

0.7742

 

138,000

 

258,316,305

*

15,130,903

 

 

*Among total shares outstanding, 64,579,075 shares and 15,498,980 shares were re-designated from Series A-1 and Series B preferred shares in conjunction with the issuance of the Series C Preferred Shares.