NOTE 7 - LAND USE RIGHTS (Details) - USD ($)	3 Months Ended
Jul. 31, 2022	Jul. 31, 2021	Apr. 30, 2022	May 18, 2021
Details
Land use rights for Qufu Shengren	$ 1,967,675		$ 2,012,115
Land use rights accumulated amortization	(75,680)		(61,911)
Land use rights for Qufu Shengren, net	1,891,995		$ 1,950,204
Land use rights for Qufu Shengren factory				$ 2,052,000
Amortization expense for land use rights for Qufu Shengren	$ 15,202	$ 15,825

Represents the monetary amount of Amortization expense for land use rights for Qufu Shengren, during the indicated time period.

No definition available.

Name:	fil_AmortizationExpenseForLandUseRightsForQufuShengren
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the monetary amount of Land use rights accumulated amortization, as of the indicated date.

No definition available.

Name:	fil_LandUseRightsAccumulatedAmortization
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Land use rights for Qufu Shengren, as of the indicated date.

No definition available.

Name:	fil_LandUseRightsForQufuShengren
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Land use rights for Qufu Shengren factory, as of the indicated date.

No definition available.

Name:	fil_LandUseRightsForQufuShengrenFactory
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the monetary amount of Land use rights for Qufu Shengren, net, as of the indicated date.

No definition available.

Name:	fil_LandUseRightsForQufuShengrenNet
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.