NOTE 8 - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)	Apr. 30, 2022	Apr. 30, 2021
Details
General liability, worker's compensation, and medical insurance payable	$ 428,773	$ 412,328
Consulting fee payable	206,007	209,871
Union and education fees payable	134,598	137,123
Interest payables for short-term loans	366,249	147,433
Safety production fund payable	627,138	262,449
Advanced from the employees	106,253	159,909
Deposit for operating lease	151,784	154,631
Other miscellaneous payables	$ 4,066	$ 872,318