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BONDS PAYABLE AND ACCRUED INTEREST (Details)
9 Months Ended 12 Months Ended
Jul. 17, 2017
CNY (¥)
Sep. 30, 2020
CNY (¥)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
CNY (¥)
Dec. 31, 2019
Bonds Payable And Accrued Interest [Line Items]          
Debt Instrument, Term   1 year 1 year   1 year
Debt, face amount ¥ 300,000,000     ¥ 300,000,000  
Debt Instrument, Interest Rate, Stated Percentage 7.37%        
Interest Expense, Medium-term Notes       11,792,000  
Debt Related Commitment Fees and Debt Issuance Costs   ¥ 0 $ 0 ¥ 18,646,101  
Medium-term Notes [Member]          
Bonds Payable And Accrued Interest [Line Items]          
Debt Instrument, Term 3 years        
Debt maturity date Jul. 17, 2020        
Debt Related Commitment Fees and Debt Issuance Costs ¥ 2,100,000        
Debt issuance costs, amortization period 2 years