v3.26.1
Related Party Transactions - Schedule of Related Parties (Details) - USD ($)
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Schedule of Related Parties [Line Items]    
Net of credit loss allowance $ 22,794 $ 22,794
Total purchase from related parties 11,763,422 11,064,005
Total prepaid expenses and other current assets, net 1,297,933 2,206,162
Related Party [Member]    
Schedule of Related Parties [Line Items]    
Accounts receivable, gross — related parties 36,907
Net of credit loss allowance
Total account receivable, net -related parties 36,907
Total due from related parties 1,639 4,634
Total account payable – related parties 2,076,158 2,338,167
Total revenue from a related party 101,222
Total prepaid expenses and other current assets, net 244,986 46,854
Total due to related parties 186,378
Guangdong Rongmian Accessories Technology Co., Ltd. [Member]    
Schedule of Related Parties [Line Items]    
Accounts receivable, gross — related parties 16,022
Total account payable – related parties 1,787,430 1,785,191
Total purchase from related parties 7,874,751 7,808,587
Total prepaid expenses and other current assets, net 60,524 46,854
Commission income from a related party 118,596 111,326
Guanrong Technology (Shaoguan) Co., Ltd. [Member]    
Schedule of Related Parties [Line Items]    
Total revenue from a related party 49,045
J-Long Vietnam Company Limited [Member]    
Schedule of Related Parties [Line Items]    
Accounts receivable, gross — related parties 20,885
Total due from related parties 2,995
Total revenue from a related party 52,177
Total purchase from related parties 17,175 66,110
Total due to related parties 52,319
Administrative service provided by related party 111,705 128,539
J-Long Group Ltd [Member]    
Schedule of Related Parties [Line Items]    
Total due from related parties 1,639 1,639
New Sole (Shanghai) Technology Ltd [Member]    
Schedule of Related Parties [Line Items]    
Total account payable – related parties 288,728 429,630
Total purchase from related parties 3,028,986 2,198,891
Jiaxing Newsole Reflective Material Co., Ltd. [Member]    
Schedule of Related Parties [Line Items]    
Total account payable – related parties 123,346
Total purchase from related parties 842,510 990,417
Total prepaid expenses and other current assets, net 168,921
Charm Vision Holdings Limited [Member]    
Schedule of Related Parties [Line Items]    
Total prepaid expenses and other current assets, net 12,648
Everlink Enterprises Limited [Member]    
Schedule of Related Parties [Line Items]    
Total prepaid expenses and other current assets, net 2,893
Mr. Danny Tze Ching Wong [Member]    
Schedule of Related Parties [Line Items]    
Total due to related parties 134,059
J-Long Trims Pte. Ltd. [Member]    
Schedule of Related Parties [Line Items]    
Total revenue from a related party $ 200,000 $ 438,248