v3.26.3
Leases (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Leases [Abstract]          
Weighted average remaining lease terms 3 years     3 years  
Weighted average discount rate 7.00%     7.00%  
ROU assets $ 168,726     ¥ 1,149,178 ¥ 917,975
Lease liabilities 163,361     ¥ 1,112,639  
Lease expenses $ 82,275 ¥ 560,361 ¥ 573,522