v3.26.1
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) - Related Party [Member] - USD ($)
Mar. 31, 2026
Mar. 31, 2025
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net $ 24,124 $ 245,492
Shanghai Tuwen Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net 24,084 166,236
Anhui New Yalian Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net 0 64,812
Xuancheng Jinshida Modern Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net 0 12,823
Hebei Leading Future Technology Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net 0 1,345
Other Related Parties [Member]    
RELATED PARTY TRANSACTIONS - ​Schedule of Accounts Receivable - Related Parties (Details) [Line Items]    
Accounts receivable, net $ 40 $ 276