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Inventory, Net (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 6,601,010 $ 7,011,718
Work-in-progress 1,859,907 1,387,111
Finished goods 15,489,159 14,047,720
Less: inventory valuation allowance (170,405) (171,936)
Total inventory $ 23,779,671 $ 22,274,613