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Inventories (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of inventories
   December 31,   March 31, 
   2022   2023 
Raw materials  $7,101,426   $4,871,755 
Work in progress   17,274,033    15,207,838 
Finished goods   25,070,832    30,698,223 
   $49,446,291   $50,777,816