Income Taxes (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019
Income Taxes (Textual)
Income tax rate	21.00%	21.00%	21.00%	21.00%
Enterprise income tax	25.00%	25.00%	25.00%	25.00%
Tianci Liantian and Yuxinqi [Member]
Income Taxes (Textual)
Total operating loss carry forwards	$ 646,490		$ 646,490
United States [Member]
Income Taxes (Textual)
Valuation allowance	$ 71,000		$ 71,000		$ 43,000
Percentage of valuation allowance	100.00%	100.00%	100.00%	100.00%
Incurred loss			$ 337,000
Valuation allowance increased	$ 12,000	$ 7,000	28,000	$ 18,000
PRC [Member]
Income Taxes (Textual)
Allowance on deferred tax assets	$ 161,623		$ 161,623		$ 99,774
Percentage of allowance on all deferred tax assets	100.00%	100.00%	100.00%	100.00%
Expire date			Dec. 31, 2024
Valuation allowance increased	$ 27,000	$ 4,000	$ 65,000	$ 161,000

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