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Advances to Suppliers, Net (Details) - Schedule of advances to suppliers and allowance for doubtful accounts - USD ($)
Sep. 30, 2021
Sep. 30, 2020
Schedule of advances to suppliers and allowance for doubtful accounts [Abstract]    
Prepayment for purchase of e-bicycles materials $ 4,094,894 $ 956,192
Prepayment for purchase of battery packs 2,953,616 1,584,605
Prepayment for purchase of battery cells for trading business 84,354
Prepayment for service fees related to e-bicycles manufacturing licenses 120,936
Others 444,444 38,650
Total 7,492,954 2,784,737
Less: allowance for doubtful accounts (88,416) (84,354)
Advances to suppliers, net $ 7,404,538 $ 2,700,383