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ACCUMULATED DEFICIT (Tables)
 12 Months Ended
Dec. 31, 2014
ACCUMULATED DEFICIT [Abstract]  
Schedule of Accumulated Deficit
As of
December 31,
2013		   As of
December 31,
2014		     As of
December 31,
2014		  
RMB   RMB     US$  
           
PRC statutory reserved funds 20,849       33,754       5,440  
Unreserved accumulated deficit     (189,268 )     (45,124 )     (7,273 )
                         
      (168,419 )     (11,370 )     (1,833 )