Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2021

Credit Loss [Abstract]

Schedule of accounts receivable

	December 31,			December 31,
	2021			2020
Accounts receivable	$	23,074,123		$	16,439,291
Allowance for doubtful accounts		(6,394,429	)		(565,793	)
Total accounts receivable, net	$	16,679,694		$	15,873,498

Schedule of movements of allowance for doubtful accounts

Beginning balance	$	565,793	$	1,467,374
(Write-off)/Addition		5,747,069		(909,223	)
Exchange rate effect		81,567		7,642
Ending balance	$	6,394,429	$	565,793