COMMITMENTS (Details)	12 Months Ended
	Mar. 31, 2019 USD ($) ft²	Mar. 31, 2018 USD ($)
Commitments
Rent expense for operating lease	$ 3,758	$ 3,956
Future minimum lease payments for property and equipment under non-cancellable operating leases
Future minimum lease payments required under non-cancellable operating leases	1,835
Contractual commitments
Purchase obligations outstanding to purchase raw materials and supplies at fixed prices	900,000
Employee Agreement Annual Commitment For Vacation And Holiday	300,000
Employee Agreement Annual Commitment For Future Salaries During Next Fiscal Year	500,000
Defined Contribution Plan, Cost	$ 83,353	$ 79,878
Wuxi, China
Commitments
Area of land leased (in square feet) | ft²	1,000
Annual rental cost	$ 4,000