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INVENTORIES (Details) - CNY (¥)
¥ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Disclosure Of INVENTORIES [Line Items]    
Raw materials ¥ 6,761 ¥ 4,741
Work in progress 244 244
Finished goods 37,548 34,117
Inventories 37,040 31,589
Inventory gross    
Disclosure Of INVENTORIES [Line Items]    
Inventories 44,553 39,102
Inventory impairment provision    
Disclosure Of INVENTORIES [Line Items]    
Inventories ¥ (7,513) ¥ (7,513)