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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Codes for family relationship
Standard published on 6.8.2008
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Aluminum nitride ceramic powder
Execute Date: december 2026
Standard published on 25.5.2026
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Thermal insulating products for building applications—Determination of length and width
Execute Date: december 2026
Standard published on 25.5.2026
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Greenhouse gas—Quantification method and requirements for carbon footprint of products—Lime
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Standard published on 25.5.2026
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Test method of thermal protective performance of thermal insulation sheets
Execute Date: december 2026
Standard published on 25.5.2026
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Thermal insulating products for building applications—Determination of flatness
Execute Date: december 2026
Standard published on 25.5.2026
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Thermal insulating products for building applications—Determination of squareness
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Standard published on 25.5.2026
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Greenhouse gases—Quantification method and requirements for carbon footprint of products—Stone
Execute Date: december 2026
Standard published on 25.5.2026
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Evaluation requirements of energy-saving and carbon-reduction technology for cement industry
Execute Date: december 2026
Standard published on 25.5.2026
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Technical requirements for specialty doors and windows for nuclear power buildings
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Latest update: 2026-11-06 (Number of items: 2 209 112)
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