Accrued expenses and other payables (Tables)

12 Months Ended

Dec. 31, 2012

Accrued expenses and other payables [Abstract]

Schedule of Accrued Expenses

	December 31,
	2011		2012		2012
	(RMB)		(RMB)		($)
Payroll and welfare payable		13,256,796		17,079,846		2,717,341
VAT and other tax payables		29,906,387		32,659,507		5,196,008
Other payables and accruals		6,142,648		7,403,036		1,177,796
Purchase fixed assets payables		37,639,864		6,800,347		1,081,910
Total		86,945,695		63,942,736		10,173,055