Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

	December 31,			December 31,
	2019			2018
Permit of land use	$	403,755		$	409,612
Building		9,375,817			9,511,832
Plant, machinery and equipment		26,309,262			26,576,409
Motor vehicle		308,334			312,807
Office equipment		217,058			198,292
Total		36,614,226			37,008,952
Less: accumulated depreciation		(20,300,399	)		(17,714,573	)
Property, plant and equipment, net	$	16,313,827		$	19,294,379

Schedule of depreciation is computed on straight-line basis over estimated useful lives of assets

Asset	Life - years
Permit of land use	40 - 70
Building	20 - 49
Plant, machinery and equipment	5 - 10
Motor vehicle	5 - 10
Office equipment	3 - 5