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Property and Equipment, Net (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]    
Plant and machinery $ 1,770,626 $ 2,461,719
Automobiles 139,380 147,310
Office and computer equipment 37,005 51,034
Total property and equipment 1,947,011 2,660,063
Less: Accumulated depreciation (685,518) (2,128,596)
Property and equipment, net $ 1,261,493 $ 531,467