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Property, Plant and Equipment, Net (Tables)
3 Months Ended
Mar. 31, 2019
Property, Plant and Equipment [Abstract]  
Schedule of property plant and equipment
  March 31,   December 31, 
   2019   2018 
Property, Plant, and Equipment:        
Land use rights  $12,110,433   $11,881,571 
Building and improvements   95,940,419    94,127,348 
Machinery and equipment   162,789,664    159,651,736 
Vehicles   608,993    597,484 
Construction in progress   5,137,243    5,005,041 
Totals   276,586,752    271,263,180 
Less: accumulated depreciation and amortization   (109,341,374)   (103,433,464)
Property, Plant and Equipment, net  $167,245,378   $167,829,716