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ACCOUNTS RECEIVABLE, NET-THIRD PARTIES (Schedule of Accounts Receivable) (Details)
Jun. 30, 2017
CNY (¥)
Jun. 30, 2017
USD ($)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2016
USD ($)
Jun. 30, 2016
CNY (¥)
Dec. 31, 2015
CNY (¥)
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Line Items]            
Accounts receivables ¥ 6,773,694,402   ¥ 5,130,289,380      
Allowance for doubtful accounts (303,174,634)   (376,574,061)   ¥ (410,407,682) ¥ (335,713,383)
Accounts receivable, net 6,470,519,768 $ 954,452,490 ¥ 4,753,715,319      
Amount of accounts receivable pledged as collateral for borrowings ¥ 175,000,000     $ 0