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16. CUSTOMER CONCENTRATION (Details Narrative) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Amounts due from major customers	23,035,195gure_AmountsDueFromMajorCustomers	21,576,892gure_AmountsDueFromMajorCustomers
Top 5 customers
Percent products sold to top five customers	43.30%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_CustomerConcentrationRiskMember	40.10%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_CustomerConcentrationRiskMember

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