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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 of test for full-flow lubricating oil filters for internal combustion engines - Part 9: Inlet and outlet anti-drain valve tests
Standard published on 11.5.2012
Selected format:Eyebolts
Standard published on 16.4.1988
Selected format:Specification for flexible joints of housing
Standard published on 31.12.2008
Selected format:Types and dimensions of flexible joints of housing
Standard published on 31.12.2008
Selected format:Abrasion-resistant white iron castings
Standard published on 30.5.2025
Selected format:Glossary of painting terms
Standard published on 15.12.2008
Selected format:Quality requirements for organic acids—Part 1: Citric acid
Standard published on 25.4.2025
Selected format:Rivets for name plate
Standard published on 2.7.1986
Selected format:Slotted pan head set screws with dog point
Standard published on 24.6.1988
Selected format:Mining flameproof movable substations
Standard published on 29.12.2017
Selected format:Latest update: 2026-08-19 (Number of items: 2 298 207)
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