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16. MAJOR SUPPLIERS (Details Narrative) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Major Suppliers Details Narrative |  |
Top five suppliers percentage raw materials supplied | 57.00%gure_TopFiveSuppliersPercentageRawMaterialsSupplied | 89.80%gure_TopFiveSuppliersPercentageRawMaterialsSupplied
Amount due top five suppliers | $ 5,698,079 gure_AmountDueTopFiveSuppliers | $ 3,988,704 gure_AmountDueTopFiveSuppliers

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Data Type: | xbrli:monetaryItemType
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Namespace Prefix: | gure_
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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | gure_
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Balance Type: | na
Period Type: | duration