Note 3 - Operating Leases: Schedule of Components of Prepaid Leases (Details) - USD ($)	Mar. 31, 2016	Mar. 31, 2015
Prepaid leases - current portion	$ 961,609	$ 685,934
Prepaid leases	2,312,650	$ 2,060,441
Land
Prepaid leases - current portion	959,574
Prepaid leases	2,303,494
Shiqiao Village | Land
Prepaid leases - current portion	309,540
Prepaid leases	386,925
Shandong Wanziyuan | Land
Prepaid leases - current portion	309,540
Prepaid leases	851,235
Zhongce No 4 Village | Land
Prepaid leases - current portion	30,954
Prepaid leases	59,329
Zhongce Shen Village | Land
Prepaid leases - current portion	309,540
Prepaid leases	1,006,005
Shandong YCT | Automobiles
Prepaid leases - current portion	2,035
Prepaid leases	$ 9,156