Note 5 - Acquisition of A Subsidiary: Schedule of Fair Value of Assets and Liabilities of Haitai (Details) - USD ($)	Jan. 31, 2015	May. 31, 2015	May. 31, 2014
Other receivables and deposits		$ 68,795	$ 153,244
Total assets		12,211,843	12,715,771
Liabilities
Total liabilities		5,149,350	5,005,963
Goodwill		377,171	610,386
Taizhou Haitai Motor Vehicle Inspection Co, Ltd.
Construction in progress	$ 1,100,243
Other receivables and deposits	101,036
Cash and cash equivalents	1,132
Total assets	1,202,411
Liabilities
Accrued expenses and other payables	1,736,068
Total liabilities	1,736,068
Net assets acquired	(533,657)
Cash consideration	105,006
Goodwill	377,171	$ 377,171	$ 0
Cash consideration paid	105,006
Less: cash acquired from the transaction	(1,132)
Net cash used in acquisition	103,874
Taizhou Haitai Motor Vehicle Inspection Co, Ltd. | Shanghai Yuguang Automobile Inspection Technology Co Ltd
Liabilities
Net assets acquired	$ (272,165)