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Prepayment and other current assets
12 Months Ended
Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepayment and other current assets

5. Prepayment and other current assets

 

Prepayment and other current assets consist of the following:

 

 

   2022   2021 
   As of December 31, 
   2022   2021 
Prepayments  $167,677   $3,796,033 
Deposit   86,102    38,552 
Total  $253,779   $3,834,585 

 

Prepayments as of December 31, 2021 principally represent advance payments made to a supplier for $3,676,000 for the purchase of marine fuel.