Property, Plant and Equipment (Details) - Schedule of property, plant and equipment - USD ($)	Sep. 30, 2020	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 60,960,431	$ 58,609,121
Less: accumulated depreciation	(37,836,354)	(35,680,787)
Total	23,124,076	22,928,334
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	39,322,322	37,799,650
Auto [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	3,325,579	3,207,619
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 18,312,530	$ 17,601,852