Payable to Officers and Employees (Details Textual) (CNY)	12 Months Ended
	Dec. 31, 2012
Payable to Officers and Employees (Textual)
Description of bank interest under incentive plan	Eligible employees may make loans to the Company and earn interest equal to prevailing China bank loan interest rates, normally two to four times rates on savings accounts.
Description of loan under incentive plan	The maximum loan amount cannot exceed RMB 500,000, RMB 300,000 and RMB 200,000 made by mid-level or above managers, supervisors or employees who have worked in the Company for more than 5 years, and other eligible employees, respectively. The loans can be made only in the period from September 1, 2012 to December 31, 2012.
Incentive plan eligibility, minimum employment period	3 years
Interest rate on loan payable	6.00%
Mid - Level or Above Managers [Member]
Payable to Officers and Employees (Textual)
Maximum loan amount	500,000
Supervisors or Employees [Member]
Payable to Officers and Employees (Textual)
Maximum loan amount	300,000
Other Eligible Employees [Member]
Payable to Officers and Employees (Textual)
Maximum loan amount	200,000