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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
Steel wire ropes—Determination of breaking force
Standard published on 23.5.2023
Selected format:Knurled screws with small head
Standard published on 24.6.1988
Selected format:Ultrasonic testing method for the surface of cold drawn round steel
Standard published on 30.4.2021
Selected format:Steel—Drop-weight tear tests method
Standard published on 6.2.2018
Selected format:Test methods of thermal flexure of thermostat metals
Standard published on 19.8.2008
Selected format:Resistance welding—Resistance welding equipment—Mechanical and electrical requirements
Standard published on 21.5.2021
Selected format:Infusion sets for single use—Gravity feed
Standard published on 15.3.2018
Selected format:Transfusion sets for single use—Part 1:Gravity feed
Standard published on 14.10.2019
Selected format:Transfusion sets for single use—Part 2:With pressure infusion apparatus use
Standard published on 17.11.2020
Selected format:Slotted pan head screws with waisted shank
Standard published on 24.6.1988
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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