Related Party Transactions (Details)	12 Months Ended
Jul. 31, 2016 USD ($)	Jul. 31, 2015 USD ($)	Apr. 25, 2015 USD ($)	Apr. 25, 2015 CNY (¥)
Prepaid expenses on behalf of the company	$ 0	$ 0
Total	1,716,734	1,056,568
LuckSky Group [Member]
Rental fees	280,304	166,443
Borrowings	0	0
Sanhe Dong Yi Glass Machine Company Limited [Member]
Rental fees (Capital lease interest payable)	246,060	262,996
Borrowings	0	0
Kelitai Air Powered Machinery Co Ltd [Member]
Payments to Acquire Productive Assets	0	0
Borrowings			$ 507,917	¥ 3,150,000
Zhou Deng Rong [Member]
Prepaid expenses on behalf of the company	$ 1,190,370	$ 627,129

Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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