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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
Expression of performance of gas analyzers - Part 2: Oxygen in gas (Utilizing high temperature electrochemical sensors)
Standard published on 19.7.2013
Selected format:Expression of performance of gas analyzersPart 3: Paramagnetic oxygen analyzers
Standard published on 3.9.2014
Selected format:Expression of performance of gas analyzers - Part 6: Photometric analyzers
Standard published on 19.7.2013
Selected format:Mineral insulated metal-sheathed thermocouple cables and thermocouples
Standard published on 12.10.2022
Selected format:Micrographics - ISO character and ISO test chart No.1 - Description and use
Standard published on 16.7.2008
Selected format:Safety qualification for agricultural product—Safety requirements for non-environmental pollution vegetable
Standard published on 6.8.2001
Selected format:Vehicle identification number bar-code label
Standard published on 28.5.2024
Selected format:Power-driven vehicles manufacturer’s plate
Standard published on 7.6.2018
Selected format:TextilesDetermination of the pesticide residuesPart 1: 77 pesticides
Standard published on 25.5.2006
Selected format:TextilesDetermination of the pesticide residuesPart 2: Organochlorine pesticides
Standard published on 25.5.2006
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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