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Prepayments and Other Current Assets
9 Months Ended
Sep. 30, 2023
Prepayments and Other Current Assets [Abstract]  
Prepayments and other current assets

(4) Prepayments and other current assets

 

Prepayments and other current assets consisted of the following as of September 30, 2023 and December 31, 2022:

 

   September 30,   December 31, 
   2023   2022 
Prepaid land lease  $174,100   $172,300 
Prepayment for purchase of materials   5,231,142    12,941,951 
Value-added tax recoverable   13,728,351    13,640,868 
Prepaid gas   95,757    27,462 
Others   819,751    424,546 
   $20,049,101   $27,207,127