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Construction in Progress (Tables)
6 Months Ended
Jun. 30, 2021
Construction In Progress [Abstract]  
Schedule of construction in progress
   December 31,   June 30, 
   2020   2021 
Construction in progress  $27,070,916   $36,911,583 
Prepayment for acquisition of property, plant and equipment   3,122,393    6,981,201 
Carrying amount  $30,193,309   $43,892,784