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LEASE - Net investment in direct financing leases (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2022
Dec. 31, 2021
NET INVESTMENT IN DIRECT FINANCING LEASES    
Minimum lease payments to be received   ¥ 8,384
Unearned income   (889)
Net investment in direct financing leases   7,495
Current   2,699
Non-current   4,796
Total ¥ 0 ¥ 7,495