Intangible Assets, Net (Tables)

12 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets, net

	As of March 31,			As of March 31,
	2022			2021
Land use right, cost	$	910,808		$	879,886
Customer relationship (Note 14)		8,822,973			-
Trademark		11,027			-
Software, cost		1,127,710			1,084,858
Total		10,872,518			1,964,744
Less: accumulated amortization		(771,113	)		(132,645	)
Intangible assets, net	$	10,101,405		$	1,832,099

Schedule of estimated future amortization expense

Years ending March 31,	Amortization expense
2023	$	1,897,000
2024		1,897,000
2025		1,897,000
2026		1,897,000
2027		1,897,000
Thereafter		616,405
	$	10,101,405