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Borrowings (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of detailed information about borrowings Table [Abstract]  
Schedule of borrowings
   As of December 31, 
   2021   2020 
Current portion of long-term borrowings  $933,110   $494,994 
Long-term borrowings   859,120    993,869 
Borrowings from financial institutions  $1,792,230   $1,488,863