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v3.23.2

EQUITY (Details Narrative) | 6 Months Ended
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Jun. 30, 2023
Equity [Abstract] |
Statutory common reserve fund, description | The Statutory Common Reserve Fund as of June 30, 2023 for SCHC, SYCI, SHSI, and DCHC is 16%, 14%, 0% and 0% of its registered capital, respectively.

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- Definition Description of the statutory common reserve fund requirements. + References No definition available. + Details
Name: | gure_StatutoryCommonReserveFundsDescription
Namespace Prefix: | gure_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration