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INCOME TAX (Details) - CNY (¥)
¥ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Current Tax:    
PRC Income Tax Expense ¥ 7 ¥ 85
Deferred tax expense 0  
Tax expense (income), continuing operations ¥ 7 ¥ 85