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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
Tab washers with long tab
Standard published on 6.2.1988
Selected format:Terminology of forging and stamping
Standard published on 11.5.2012
Selected format:High speed gear units technical specifications
Standard published on 7.9.2023
Selected format:Aluminium alloy forgings
Standard published on 15.3.2024
Selected format:Titanium clad stainless steel plate
Standard published on 14.10.2017
Selected format:Titanium clad steel plate
Standard published on 4.6.2019
Selected format:Tab washers with long tab and wing
Standard published on 6.2.1988
Selected format:Generic specification for enclosures for crystal units
Standard published on 7.9.2023
Selected format:Transformers and inductors for use in electronic and telecommunication equipment--Measuring methodsand test procedures
Standard published on 17.11.1998
Selected format:
Transformers and inductors for use in electronic and telecommunication equipment—Measuring methods and test procedures
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Latest update: 2026-07-29 (Number of items: 2 290 440)
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