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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
Corrosion of metals and alloys—Method of measuring the pitting potential for stainless steels by potentiodynamic control in sodium chloride solution
Standard published on 6.8.2023
Selected format:Damp heat,steady state(unsaturated pressurized vapour with air)
Standard published on 2.7.2026
Selected format:Security requirements for proxy server
Standard published on 11.11.1999
Selected format:Information technology—Security techniques—Key management—Part 1: Framework
Standard published on 6.3.2020
Selected format:Information technology—Security techniques—Key management—Part 3: Mechanisms using asymmetric techniques
Standard published on 9.3.2021
Selected format:Information technology—Security techniques—Digital signatures with appendix—Part 1:General
Standard published on 17.3.2023
Selected format:Information technology-Security techniques-Digital signatures with appendix-Part2:Identity-based mechanisms
Standard published on 19.4.2005
Selected format:Information technology-Decurity techniques-Digital signatures with appendix-Part3:Certificate-based mechanisms
Standard published on 19.4.2005
Selected format:Cybersecurity technology—Non-repudiation—Part 1: General
Standard published on 15.3.2024
Selected format:Information technology—Security techniques—Non-repudiation—Part 2: Mechanisms using symmetric techniques
Standard published on 11.10.2021
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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