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FAIR VALUE MEASUREMENTS (Assets Measured Using Unobservable Inputs) (Details) - Available-for-sale investment [Member] - CNY (¥)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Balance ¥ 20,875,725 ¥ 30,117,797
Receipt of available-for-sale investment
Foreign exchange gain/(loss) (3,446,112)
Change in fair value of available-for-sale (5,795,960)
Transfer to receivable (20,875,725)
Balance ¥ 20,875,725