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Standards GB - Chinese national standards - Page 5009
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
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GB 55037-2022
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(General code for building fire protection)
Standard published on 27.12.2022
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GB 55038-2025
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Residential building code
Standard published on 1.1.2025
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GB/T 5504-2025
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Inspection of grain and oils—Determination of milling degree of wheat flour
Standard published on 31.10.2025
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GB 55040-2024
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Project code for radio and television production engineering
Standard published on 1.1.2024
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GB 55041-2024
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Project code for radio and television transmission coveragenetwork engineering
Standard published on 1.1.2024
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GB/T 5506.1-2008
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Wheat and wheat flour - Gluten content - Part 1: Determination of wet gluten by manual method
Standard published on 4.11.2008
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GB/T 5506.1-2026
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Wheat and wheat flour—Gluten content—Part 1: Determination of wet gluten by manual method
Standard published on 28.1.2026
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GB/T 5506.2-2024
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Wheat and wheat flour—Gluten content—Part 2: Determination of wet gluten and gluten index by mechanical means
Standard published on 28.11.2024
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GB/T 5506.3-2008
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Wheat and wheat flour - Gluten content - Part 3: Determination of dry gluten from wet gluten by an oven drying method
Standard published on 4.11.2008
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GB/T 5506.4-2008
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Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method
Standard published on 4.11.2008
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