v3.26.1
Other payables and accrued liabilities (Details)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Payables and Accruals [Abstract]      
Salary payables $ 746,559 ¥ 5,084,738 ¥ 4,989,909
Other payables and accrued expenses 340,674 2,320,299 1,153,949
Total other payables and accrued liabilities $ 1,087,233 ¥ 7,405,037 ¥ 6,143,858