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Construction in Progress (Tables)
12 Months Ended
Dec. 31, 2019
Construction in Progress [Abstract]  
Schedule of construction in progress
  December 31,   December 31, 
   2018   2019 
Construction in progress  $23,562,557   $21,613,577 
Prepayment for acquisition of property, plant and equipment   1,439,256    94,047 
Carrying amount  $25,001,813   $21,707,624