v3.26.1
Leases (Details)
6 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
CNY (¥)
Leases [Abstract]      
Borrowing rate 4.80% 4.80%  
Operating lease expense $ 27,733 ¥ 194,301 ¥ 195,303