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REVENUE AND OTHER INCOME (Details) - CNY (¥)
¥ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Revenue    
Sale of goods ¥ 16,715 ¥ 42,186
Other income    
Total revenues 134,961 50,107
Interest income 182 7
Government grant 632 0
Tax subsidy 887 0
Other income 127 5
Rental income 8,571 7,142
Business management and consulting revenue    
Other income    
Total revenues ¥ 118,246 ¥ 7,921