v3.26.1
Bank borrowings (Tables)
6 Months Ended
Jun. 30, 2026
Bank Borrowings  
Schedule of banking borrowings
                       
    December 31,
2025
    June 30,
2026
    June 30,
2026
 
    RMB     RMB     USD  
          (Unaudited)     (Unaudited)  
Bank borrowings-short-term     30,000,000       30,000,000       4,404,704  
Total     30,000,000       30,000,000       4,404,704