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SHORT-TERM BORROWINGS (Details)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
SHORT-TERM BORROWINGS      
Short-term borrowings $ 16,881,566 ¥ 117,526,089 ¥ 112,461,383
Long-term borrowings due within one year 4,542,584 31,624,560 31,624,560
Less: borrowing classified as held for sale (4,542,584) (31,624,560)  
Pledged Loan      
SHORT-TERM BORROWINGS      
Short-term borrowings 11,871,224 82,645,089 ¥ 80,836,823
Interest-free loan      
SHORT-TERM BORROWINGS      
Short-term borrowings $ 5,010,342 ¥ 34,881,000