Summary of Significant Accounting Policies (Details 5)	6 Months Ended
	Sep. 30, 2020
Land use rights [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	50 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	3 years
License [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets, description	Infinite