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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
Methods for measuring the colour of coatings
Standard published on 30.6.2025
Selected format:Flat relieved tooth slotting cutters--Part 1:The types and dimensions
Standard published on 30.5.2002
Selected format:Flat relieved tooth slotting cutters--Part 2:The technical specifications
Standard published on 30.5.2002
Selected format:Standard for marine radio communication vocabulary
Standard published on 12.3.2003
Selected format:High-purity sodium hydroxide
Standard published on 15.3.2024
Selected format:Traditional Chinese medicine—Categories of clinical terminological system to support the integration of clinical terms from traditional Chinese medicine and Western medicine
Standard published on 4.1.2026
Selected format:Traditional Chinese medicine—Categories of clinical terminological system to support the integration of clinical terms from traditional Chinese medicine and Western medicine
Standard published on 4.1.2026
Selected format:Test methods of high-purity sodium hydroxide—Part 1Determination of sodium chlorate content
Standard published on 30.6.2025
Selected format:Sodium hydroxide for industrial use - Determination of aluminium oxide content - Spectrometric method
Standard published on 18.6.2008
Selected format:Text methods of high-purity sodium hydroxide - Part 3: Determination of calcium content - Flame atomic absorption method
Standard published on 18.6.2008
Selected format:Latest update: 2026-04-23 (Number of items: 2 274 600)
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