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LAND USE RIGHTS, NET (Tables)
12 Months Ended
Dec. 31, 2014
LAND USE RIGHTS, NET [Abstract]  
Schedule of Land Use Rights
As of December 31,
2013   2014  
RMB   RMB  
Land use rights 386,909,459       406,639,529  
Less: accumulated amortization     (27,824,516 )     (34,707,379
Land use rights, net     359,084,943       371,932,150