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ACCOUNTS RECEIVABLE, NET-THIRD PARTIES (Schedule of Accounts Receivable) (Details)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
CNY (¥)
Dec. 31, 2014
CNY (¥)
Dec. 31, 2013
CNY (¥)
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Line Items]          
Accounts receivables ¥ 5,130,289,380   ¥ 3,026,232,432    
Allowance for doubtful accounts (376,574,061)   (335,713,383) ¥ (428,570,077) ¥ (445,956,167)
Accounts receivable, net 4,753,715,319 $ 684,677,419 2,690,519,049    
Amount of accounts receivable pledged as collateral for borrowings   ¥ 420,422,895