v3.26.1
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) - Sales to Related Parties [Member] - Related Party [Member] - USD ($)
6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties $ 104,380 $ 669,697
Hangzhou Shilian Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 49,956 87,603
Ningbo Lihong Information System Engineering Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 22,356 48,533
Anhui New Yalian Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 19,281 168,751
Xuancheng Jinshida Modern Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 8,407 0
Hebei Leading Future Technology Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 2,401 32,360
Shanghai Tuwen Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 1,868 208,059
Kunming Jinbi Office Equipment Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 0 24,641
Qinghai Jiayuan Mingyue Trade Co., Ltd [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties 0 89,554
Other Related Parties [Member]    
RELATED PARTY TRANSACTIONS - ​​Schedule of Sales to Related Parties (Details) [Line Items]    
Sales to related parties $ 111 $ 10,196