Note 1 - Organization, Nature of Operations and Summary of Significant Accounting Policies: Foreign Currency Translation (Details)	12 Months Ended
Apr. 30, 2017	Apr. 30, 2016
Details
Foreign Currency Exchange Rate, Translation	6.90	6.47
Average exchange rates	6.76	6.35

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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