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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
Parent eggs of silkworm(Bombyx mori)
Standard published on 4.6.2003
Selected format:Potassium nitrate for industrial use
Standard published on 20.8.2021
Selected format:Diagnostic techniques for bovine spongiform encephalopathy
Standard published on 14.12.2020
Selected format:Green coffee—Guidelines on methods of specification
Standard published on 6.2.2018
Selected format:Mechanical structures for electrical and electronic equipment—Outdoor enclosures—Part 1: Design guidelines
Standard published on 31.12.2024
Selected format:Mechanical structures for electrical and electronic equipment—Outdoor enclosures—Part 2: Coordination dimensions
Standard published on 31.12.2024
Selected format:Mechanical structures for electrical and electronic equipment—Outdoor enclosures—Part 3: Environmental requirements, tests and safety aspects
Standard published on 31.12.2024
Selected format:Cavitation pitting evaluation in Pelton turbines
Standard published on 5.6.2003
Selected format:Calculation method of live working minimum approach distance on a.c.transmission line
Standard published on 24.9.2008
Selected format:Propylene for industrial use--Determination of oligomers--Gas chromatographic method
Standard published on 9.6.2003
Selected format:Latest update: 2026-09-24 (Number of items: 2 302 501)
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