NOTE 13 - CONCENTRATIONS AND CREDIT RISK: Schedule of cash position by geographic area (Details) - USD ($)	Jul. 31, 2021	Apr. 30, 2021
Details
Cash held in United States	$ 181,353	$ 161,860
Percent of Cash held in United States	27.10%	10.30%
Cash held in PRC	$ 489,079	$ 1,403,969
Percent of Cash held in PRC	72.90%	89.70%