Note 10 - Short-term Debt: Schedule of Short-term Debt (Details) (USD $)	Nov. 30, 2012	May 31, 2012
Loan from China Communication Bank		$ 3,156,815
Loan from China Industrial and Commercial Bank	954,016	947,044
Loan from Chinese Bank	1,113,019	1,420,567
Loan from Changzhou Wujinyintong Agriculture Credit Union	477,008	473,522
Loan from Changzhou Wujinyinfeng Agriculture Credit Union	795,014	789,204
Short-term debt	$ 3,339,058	$ 6,787,152