Inventories (Tables)

12 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Summary of Inventories

	March 31, 2015		March 31, 2014
	US$		US$
Raw materials		3,016,372		2,491,135
Work in progress		2,359,350		2,303,800
Finished goods		1,043,056		2,367,932
		6,418,778		7,162,867