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Income Taxes (Details)
3 Months Ended
May 31, 2022
May 31, 2021
Income Tax Disclosure [Abstract]    
U.S. statutory tax rate 21.00% 21.00%
Foreign income not registered in the U.S. (21.00%) (21.00%)
PRC profit tax rate 25.00% 25.00%
Changes in valuation allowance and others (25.00%) (25.00%)
Effective tax rate 0.00% 0.00%