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Standards GB - Chinese national standards - Page 4976
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 55031-2022
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Code for design of civil buildings
Standard published on 15.7.2022
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GB 55032-2022
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Code for construction quality acceptance of building decoration
Standard published on 15.7.2022
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GB 55033-2022
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Technical code of urban rail transit
Standard published on 15.7.2022
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GB 55034-2022
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Code for construction company safety manage criterion
Standard published on 31.10.2022
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GB 55035-2023
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(Specifications for protection and utilization of urban and rural historical culture)
Standard published on 1.1.2023
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GB 55036-2022
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Code of design for sprinkler systems
Standard published on 15.7.2022
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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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