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Construction in Progress (Tables)
 3 Months Ended
Mar. 31, 2021
Construction In Progress [Abstract]  
Schedule of construction in progress
   December 31,   March 31, 
   2020   2021 
Construction in progress  $27,070,916   $

28,465,244

 
Prepayment for acquisition of property, plant and equipment   3,122,393    5,638,962 
Carrying amount  $30,193,309   $

34,104,206