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CERTAIN RISKS AND CONCENTRATION (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sales Revenue, Goods, Net [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 10.00% 10.00%
Sales Revenue, Goods, Net [Member] | Foreign Currency Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 82.60%  
Accounts Receivable [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 10.00% 10.00%