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EMPLOYEE BENEFIT PLAN AND PROFIT APPROPRIATION (Details) - CNY (¥)
¥ in Thousands
 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Compensation and Retirement Disclosure [Abstract]      
Defined Contribution Plan, Cost Recognized ¥ 1,689 ¥ 2,170 ¥ 4,615
Percentage Of Entity Registered Capital 50.00%    
Statutory Surplus Reserve Fund Annual Appropriation Percentage 10.00%    
Statutory Surplus Reserve Fund Appropriations ¥ 15,133 ¥ 21,513