Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

Schedule of accounts receivable, net

	As of December 31,
	2021			2020
Accounts receivable	$	26,825,337		$	15,896,127
Less: Allowance for doubtful accounts		(2,607,600	)		(1,581,142	)
Total accounts receivable, net	$	24,217,737		$	14,314,985

Schedule of movement of allowance for doubtful accounts

	As of December 31,
	2021			2020			2019
Beginning balance	$	1,581,142		$	1,669,658		$	392,533
Provision (reverse) for doubtful accounts		1,011,760			-			3,276,200
Recovery		-			(189,286	)		-
Written-off		(34,879	)		-			(1,984,244	)
Foreign currency translation adjustments		49,577			100,770			(14,831	)
Ending balance	$	2,607,600		$	1,581,142		$	1,669,658