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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
Feed additives—Part 4Enzymes—Xylanase
Standard published on 17.12.2019
Selected format:Feed additives—Part 4Enzymes—Phytase
Standard published on 11.10.2020
Selected format:Feed additives—Part 4Enzymes—Cellulase
Standard published on 29.12.2022
Selected format:
Feed additives—Part 4Enzymes—-Mannanase
Execute Date: july 2026
Standard published on 30.6.2025
Selected format:
Feed additives—Part 4Enzymes—-galactosidase
Execute Date: july 2026
Standard published on 30.6.2025
Selected format:Feed additives —Part 5Live microorganisms—Saccharomyces cerevisiae
Standard published on 11.10.2021
Selected format:Feed additives —Part 5Live microorganisms —Lactobacillus plantarum
Standard published on 23.5.2023
Selected format:Feed additives —Part 5Live microorganisms — Enterococcus faecium
Standard published on 23.5.2023
Selected format:Feed additives —Part 5Live microorganisms — Lactobacillus acidophilus
Standard published on 23.5.2023
Selected format:
Feed additives—Part 5Live microorganisms—Bacillus coagulans
Execute Date: july 2026
Standard published on 30.6.2025
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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