Property, Plant, and Equipment, Net (Tables)

3 Months Ended

Jun. 30, 2021

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, net

	As of			As of
	June 30, 2021			March 31, 2021
Land (1)	$	1,831,192		$	1,831,192
Property and buildings		432,562			432,562
Equipment and machinery (2)		8,788,683			8,532,813
Office and electric equipment		853,503			825,013
Automobiles		781,525			512,209
Leasehold improvements		3,145,491			2,943,797
Subtotal		15,832,956			15,077,586
Construction in progress (3)		194,752			194,752
Less: Accumulated depreciation and amortization		(9,977,358	)		(9,572,832	)
Property and equipment, net	$	6,050,350		$	5,699,506