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PROPERTY, PLANT AND EQUIPMENT (Tables)
6 Months Ended
Jun. 30, 2021
Property, plant and equipment [abstract]  
Schedule of Property Plant and Equipment
               
   December 31,   June 30,   June 30, 
   2020   2021   2021 
   CNY   CNY   US$ 
   (Audited)   (Unaudited)   (Unaudited) 
             
At cost:               
Buildings   46    46    7 
Machinery and equipment   863    863    134 
Motor vehicles   279    279    43 
Accumulated depreciation and amortization   (1,030)   (1,063)   (165)
                
    158    125    19