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LAND USE RIGHTS, NET - Additional information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Sep. 30, 2022
CNY (¥)
Sep. 30, 2021
CNY (¥)
Sep. 30, 2020
CNY (¥)
Sep. 30, 2022
USD ($)
LAND USE RIGHTS, NET        
Land use rights ¥ 1,792 ¥ 1,854   $ 252
Amortization expenses 790 790 ¥ 820  
Impairment on land use rights 0 7,600 2,704  
Use rights        
LAND USE RIGHTS, NET        
Amortization expenses 60 300 ¥ 400  
Asset pledged as collateral        
LAND USE RIGHTS, NET        
Land use rights ¥ 1,930 ¥ 1,992