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Retained Earnings Appropriated - Additional Information (Detail)	Jun. 30, 2012
Retained Earnings Adjustments [Line Items]
Required to transfer profit after tax	10.00%
Shouguang City Haoyuan Chemical Company Limited
Retained Earnings Adjustments [Line Items]
Statutory Common Reserve Fund	33.00%
Shouguang Yuxin Chemical Industry Company Limited
Retained Earnings Adjustments [Line Items]
Statutory Common Reserve Fund	50.00%
Maximum
Retained Earnings Adjustments [Line Items]
Statutory Common Reserve Fund	50.00%
Minimum | Except for the reduction of losses incurred
Retained Earnings Adjustments [Line Items]
Statutory Common Reserve Fund	25.00%

X

- Definition

Entitys Required After Tax Profits to be Allocated to Statutory Common Reserve as Percentage of its Registered Capital

+ References

No definition available.

+ Details

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X

- Definition

Required Percentage of Entitys After Tax Profits to Allocate to Statutory Common Reserve

+ References

No definition available.

+ Details

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Namespace Prefix:	gure_
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X

- Details

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