v3.26.1
Condensed financial information of the parent company - Schedule of Parent Company Condensed Statements of Comprehensive Income (Details) - Parent Company [Member] - USD ($)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Operating income      
Share of income of subsidiaries $ 1,341,093 $ 1,219,889 $ 647,891
Total operating income 1,341,093 1,219,889 647,891
Net income 1,341,093 1,219,889 647,891
Foreign currency translation adjustment 309,193 (26,858) (177,212)
Total comprehensive income $ 1,650,286 $ 1,193,031 $ 470,679