Convertible Preferred Shares (Tables)

12 Months Ended

Dec. 31, 2014

	Series A and A-1 Preferred Shares				Series B Preferred Shares				Series C Preferred Shares
	Number of shares		Amount		Number of shares		Amount		Number of shares		Amount
			RMB				RMB				RMB

Balance as of December 31, 2011	191,894,000		255,850		84,786,405		126,417		258,316,305		3,150,443

Preferred shares redemption value accretion	—		—		—		—		—		1,587,454

Balance as of December 31, 2012	191,894,000		255,850		84,786,405		126,417		258,316,305		4,737,897

Preferred shares redemption value accretion	—		—		—		—		—		2,435,366
Conversion of Series B Preferred Shares to ordinary shares	—		—		(25,247,161	)	(38,176	)	—		—

Balance as of December 31, 2013	191,894,000		255,850		59,539,244		88,241		258,316,305		7,173,263

Preferred shares redemption value accretion	—		—		—		—		—		7,957,640
Conversion of Series A and A-1 Preferred Shares to Class A ordinary shares	(191,894,000	)	(255,850	)
Conversion of Series B Preferred Shares to Class A ordinary shares					(59,539,244	)	(88,241	)
Conversion of Series C Preferred Shares to Class A ordinary shares	—		—		—		—		(258,316,305	)	(15,130,903	)

Balance as of December 31, 2014	—		—		—		—		—		—

Schedule of Company's Preferred shares activities

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