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SUBSEQUENT EVENTS (Details) - CNY (¥)
12 Months Ended
Jan. 08, 2020
Dec. 31, 2019
Disclosure of non-adjusting events after reporting period [line items]    
Value of shares to be issued   ¥ 6,266,000
Offering    
Disclosure of non-adjusting events after reporting period [line items]    
Value of shares to be issued ¥ 500,000  
Price per share ¥ 0.75  
Registration period of offering 270 days  
Discounts or brokerage fees associated with Offering ¥ 0