3. Critical Accounting Policies and Estimates (Details - Exchange rates)	3 Months Ended		9 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018	May 31, 2018
China, Yuan Renminbi
Translation rate at period end	6.69		6.69		6.32
Translation rate for duration period	6.85	6.40	6.81	6.58
C A D
Translation rate at period end	1.32		1.32
Translation rate for duration period	1.32		1.32