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TRADE RECEIVABLES (Schedule of Aging Analysis of Trade Receivables) (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Statement Line Items [Line Items]      
Trade receivables | ¥   ¥ 3,956
USD [Member]      
Statement Line Items [Line Items]      
Trade receivables | $ $ 568    
Within 3 Months [Member]      
Statement Line Items [Line Items]      
Trade receivables | ¥   ¥ 3,956
Within 3 Months [Member] | USD [Member]      
Statement Line Items [Line Items]      
Trade receivables | $ $ 568