v3.22.2.2
Taxes (Details 2) - USD ($)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Income Tax Disclosure [Abstract]    
Loss before tax $ 1,114,446 $ 28,022
Tax at the PRC enterprise income tax rate of 25% (278,611) (7,005)
Tax effect of preferential tax rate for small scale and low profit enterprise (11,255) (16,984)
Tax effect of tax loss not recognized 274,330 79,772
Tax effect of non-deductible expenses and non-taxable income, net 26,655 (55,783)
Effective income tax rate $ 11,119