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Standards GB - Chinese national standards - Page 5181
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 7300.310-2025
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Feed additives—Part 3: Minerals and their complexes (or chelates)—Selenium yeast
Execute Date: january 2027
Standard published on 31.12.2025
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GB 7300.311-2025
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Feed additives—Part 3: Minerals and their complexes (or chelates)—Monocalcium phosphate
Execute Date: january 2027
Standard published on 31.12.2025
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GB 7300.312-2025
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Feed additives—Part 3:Minerals and their complexes (or chelates)—Tricalcium phosphate
Execute Date: january 2027
Standard published on 31.12.2025
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GB 7300.313-2025
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Feed additives—Part 3: Minerals and their complexes (or chelates)—Dicalcium phosphate
Execute Date: january 2027
Standard published on 31.12.2025
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GB 7300.401-2019
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Feed additives—Part 4Enzymes—Xylanase
Standard published on 17.12.2019
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GB 7300.402-2020
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Feed additives—Part 4Enzymes—Phytase
Standard published on 11.10.2020
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GB 7300.403-2022
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Feed additives—Part 4Enzymes—Cellulase
Standard published on 29.12.2022
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GB 7300.404-2025
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Feed additives—Part 4Enzymes—-Mannanase
Standard published on 30.6.2025
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GB 7300.405-2025
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Feed additives—Part 4Enzymes—-galactosidase
Standard published on 30.6.2025
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GB 7300.501-2021
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Feed additives —Part 5Live microorganisms—Saccharomyces cerevisiae
Standard published on 11.10.2021
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