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Income Taxes (Details Textual) - USD ($)	3 Months Ended
Income Taxes (Details Textual) - USD ($)	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Income Taxes (Textual)
Income tax rate	21.00%
Enterprise income tax	25.00%	25.00%
Tianci Liantian and Yuxinqi [Member]
Income Taxes (Textual)
Total operating loss carry forwards	$ 687,143
United States [Member]
Income Taxes (Textual)
Valuation allowance	$ 87,000		$ 83,000
Percentage of valuation allowance	100.00%
Incurred loss	$ 414,000
Valuation allowance increased	4,000	$ 5,000
PRC [Member]
Income Taxes (Textual)
Allowance on deferred tax assets	$ 171,786		$ 165,787
Percentage of allowance on all deferred tax assets	100.00%
Expire date	Dec. 31, 2024
Valuation allowance increased	$ 6,000	$ 18,000