Summary of Significant Accounting Policies (Tables)

3 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of estimated useful lives of depreciation and amortization of the principal classes of assets

	Useful life
Land	Infinite
Property and buildings	15 years
Equipment and machinery	3-5 years
Office and electronic equipment	3-5 years
Automobiles	5 years
Leasehold improvements	Lesser of useful life and lease term

Schedule of currency exchange rates used in creating consolidated financial statements

	June 30, 2020	March 31, 2020
Period-end spot rate	US$1=JOD0.7090	US$1=JOD0.7090
	US$1=HKD7.7504 US$1=CNY7.0697	US$1=HKD7.7529 US$1=CNY7.0896
Average rate	US$1=JOD0.7090	US$1=JOD0.7090
	US$1=HKD7.7514 US$1=CNY7.0863	US$1=HKD7.8163 US$1=CNY6.9642