v3.26.1
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) - Related Party [Member] - USD ($)
Sep. 30, 2025
Mar. 31, 2025
Mar. 31, 2024
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net $ 77,818 $ 245,492 $ 232,620
Hangzhou Shilian Office Equipment Co Ltd [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net 24,762 0  
Shanghai Tuwen Office Equipment Co., Ltd [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net 22,553 166,236 30,780
Anhui New Yalian Office Equipment Co., Ltd [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net 18,477 64,812 132,399
Xuancheng Jinshida Modern Office Equipment Co., Ltd [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net 7,802 12,823 7,619
Hebei Leading Future Technology Co., Ltd [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net 3,943 1,345 48,604
Other Related Parties [Member]      
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]      
Accounts receivable, net $ 281 $ 276 $ 13,218