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OTHER NON-CURRENT ASSETS (Tables)
12 Months Ended
Dec. 31, 2023
Notes and other explanatory information [abstract]  
Schedule of other non-current assets
            
   December 31, 
   2022   2023   2023 
   CNY   CNY   US$ 
             
Zimbabwe lithium deposits (i)       247,420    34,953 
Others   4    110    16 
                
Total   4    247,530    34,969 

 

(i) Please refer to Note 25 (b) for more details.