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Schedule of prepayment and other current assets (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepayments $ 167,677 $ 3,796,033
Deposit 86,102 38,552
Total $ 253,779 $ 3,834,585