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TRADE RECEIVABLES (Schedule of Aging Analysis of Trade Receivables) (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2020
USD ($)
Jun. 30, 2020
CNY (¥)
Dec. 31, 2019
CNY (¥)
Statement Line Items [Line Items]      
Trade receivables | ¥   ¥ 622 ¥ 3,956
USD [Member]      
Statement Line Items [Line Items]      
Trade receivables | $ $ 88    
Within 3 Months [Member]      
Statement Line Items [Line Items]      
Trade receivables | ¥   ¥ 622 ¥ 3,956
Within 3 Months [Member] | USD [Member]      
Statement Line Items [Line Items]      
Trade receivables | $ $ 88