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Property, Plant and Equipment, Net (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Property, plant and equipment $ 49,517,079 $ 50,348,409
Impairment (4,058,023) (4,126,152)
Accumulated depreciation (8,485,131) (8,044,692)
Carrying amount 36,973,925 38,177,565
Buildings [Member]    
Property, plant and equipment 26,812,159 27,262,301
Machinery and equipment [Member]    
Property, plant and equipment 22,344,791 22,719,932
Office equipment [Member]    
Property, plant and equipment 200,824 204,196
Motor vehicles [Member]    
Property, plant and equipment $ 159,305 $ 161,980