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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
Welded steel pipe for ore pulp transportation
Standard published on 29.8.2016
Selected format:Hot-rolled long products technical requirements for carbon structure steel and low-alloy structure steel
Standard published on 19.4.1993
Selected format:Corrosion tests in artificial atmospheres--General requirement
Standard published on 12.8.1998
Selected format:Central-station air handling units
Standard published on 4.11.2008
Selected format:
Central-station air handling unit
Execute Date: august 2026
Standard published on 28.1.2026
Selected format:Air filter
Standard published on 4.6.2019
Selected format:Air cooling and air heating coils
Standard published on 4.11.2008
Selected format:Helical end mills with indexable inserts
Standard published on 3.6.2008
Selected format:Spiral flute drill with indexable inserts
Standard published on 26.7.2007
Selected format:Ripping logs
Standard published on 29.12.2017
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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