Credit Facilities (Tables)

9 Months Ended

Mar. 31, 2016

Schedule of Short-term Debt [Table Text Block]

		March 31,		June 30,
		2016		2015
Loans from China Construction Bank, each with an interest rate from 4.35% to 4.60% per annum, due September, October and December, 2016, and March 2017; guaranteed by Jinshengding Mineral Products Co., LTD and Mr. Xianfu Han.		12,404,400		5,729,500
Loan from Bank of Beijing, interest rate at 6.40% per annum, due March, 2017, guaranteed by Beijing Jinshengding Mineral Products Co., LTD and Mr. Xianfu Han.		4,651,650		4,911,000
Loan from Citic Bank, interest rate at 7.80% per annum; guaranteed by Jinshengding Mineral Products Co., LTD, Mr. Xianfu Han and Mr. Weili He. This loan was repaid in full in August 2015.		-		3,274,000
	$	17,056,050	$	13,914,500

Schedule of Bank guarantees [Table Text Block]

		March 31,		June 30,
		2016		2015
Bank guarantees due to China Construction Bank, guaranteed by Beijing Jinshengding Mineral Products Co., LTD, and Mr. Xianfu Han, a related party. The guarantees were repaid in full in November 2015.	$	-	$	12,441,200