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ACCRUED LIABILITIES AND OTHER PAYABLES (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2021
Dec. 31, 2020
ACCRUED LIABILITIES AND OTHER PAYABLES    
Deposits received from distributors ¥ 16,200 ¥ 16,200
Accrued salary 514 871
Accrued rent, electricity and water 1,156 1,352
Accrued other taxes 866 1,042
Rental income received in advance 0 2,358
Others 3,645 1,023
Current accrued expenses and other current liabilities ¥ 22,381 ¥ 22,846