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Property, Plant and Equipment, Net (Details) - USD ($)
Dec. 31, 2019
Jun. 30, 2019
Total $ 6,364,413 $ 6,453,759
Less: Accumulated depreciation and amortization (5,316,796) (4,794,239)
Property, plant and equipment, net 1,047,617 1,659,520
Machinery and equipment [Member]    
Total 822,845 783,426
Transportation equipment [Member]    
Total 3,928,215 3,983,361
Office equipment [Member]    
Total 484,328 1,121,186
Buildings and improvements [Member]    
Total 484,328 491,127
Construction in Progress [Member]    
Total $ 74,659