v3.26.1
Schedule of cash (Details)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
USD ($)
Mar. 31, 2025
CNY (¥)
Cash and Cash Equivalents [Abstract]        
Cash on hand $ 376 ¥ 231,028 $ 363 ¥ 979,005
Bank balances 242,611   1,217,396  
Funds held in brokerage account 217   209  
Total $ 243,204   $ 1,217,968