v3.21.2
Property and Equipment, Net (Details) - USD ($)
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Property and Equipment, Net (Details) [Line Items]    
Depreciation and amortization expenses $ 140,710 $ 67,886
Loss on disposal of fixed assets (52,489)
Vehicles [Member]    
Property and Equipment, Net (Details) [Line Items]    
Net cost $ 242,035