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Intangible Assets, Net (Details) - Schedule of intangible assets, net consisted of customer contacts acquired - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Schedule of intangible assets, net consisted of customer contacts acquired [Abstract]    
Customer contracts $ 356,870 $ 658,224
Customer relationship 1,056,162 896,572
Software 80,330 63,884
Less: accumulated amortization (442,863) (474,101)
Intangible assets, net $ 1,050,499 $ 1,144,579