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NOTES PAYABLE (Details) - CNY (¥)
1 Months Ended
May 31, 2022
Apr. 30, 2022
Jul. 31, 2021
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Commercial bank            
NOTES PAYABLE            
Debt term 1 year 12 months 10 months      
Notes Payable            
NOTES PAYABLE            
Unused secured loan facility amount       ¥ 132,717,312 ¥ 183,167,887  
Notes Payable | Commercial bank            
NOTES PAYABLE            
Maximum credit facility amount   ¥ 300,000,000       ¥ 200,000,000