v3.26.1
Inventories, net (Tables)
6 Months Ended
Jun. 30, 2026
Inventory Disclosure [Abstract]  
Schedule of inventories
                       
    December 31,
2025
    June 30,
2026
    June 30,
2026
 
    RMB     RMB     USD  
    (Audited)     (Unaudited)     (Unaudited)  
Raw materials     788,957       468,189       68,741  
Finished goods     4,483       4,483       658  
Total     793,440       472,672       69,399  
Less: Inventory allowance     (675,697 )     (468,713 )     (68,818 )
Inventories, net     117,743       3,959       581