Accounts and Bills Receivable, Net (Tables)

12 Months Ended

Mar. 31, 2014

Text Block [Abstract]

Summary of Accounts and Bills Receivable

March 31, 2014			March 31, 2013
	US$			US$
Accounts receivable		15,833,127			9,673,986
Less: Allowance for doubtful accounts		(74,413	)		—
Accounts receivable, net		15,758,714			9,673,986
Bills receivable		5,458,170			10,039,622
Accounts and bills receivable, net		21,216,884			19,713,608

Schedule of Allowance for Doubtful Accounts

Fiscal years ended
	March 31, 2014		March 31, 2013		March 31, 2012
	US$		US$		US$
Allowance for doubtful accounts:
Balance at beginning of fiscal year		—		—		768
Additions		74,413		—		—
Amount written-off as uncollectible during the fiscal year		—		—		(768	)
Balance at end of fiscal year		74,413		—		—