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NOTE 14 - CONCENTRATIONS AND CREDIT RISK (Details) - USD ($)	Jul. 31, 2020	Apr. 30, 2020
Details
Cash held in PRC	$ 820,149	$ 1,054,090

Represents the monetary amount of Cash held in PRC, as of the indicated date.

No definition available.

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

No definition available.

Name:	us-gaap_TextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration