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INVENTORIES (Details) - CNY (¥)
¥ in Thousands
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
INVENTORIES      
Work in progress ¥ 4,178 ¥ 13,568  
Inventories pledged as collateral for bank loans 0 0  
Written-off of provision for inventories ¥ 7,976 ¥ 8,104 ¥ 5,973