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Advances to Suppliers, Net (Details) - Schedule of advances to suppliers and allowance for doubtful accounts - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Schedule of advances to suppliers and allowance for doubtful accounts [Abstract]    
Prepayment for purchase of battery packs $ 1,585,682  
Prepayment for purchase of e-bicycles materials 956,192 $ 3,322,652
Prepayment for purchase of battery cells for trading business 84,354 3,081,910
Prepayment for service fees related to e-bicycles manufacturing licenses 120,936 529,309
Others 38,650 9,800
Less: allowance for doubtful accounts (84,354) (80,975)
Advances to suppliers, net $ 2,701,460 $ 6,862,696