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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
Stainless steel clad plate, sheet and strip
Standard published on 30.6.2025
Selected format:Package cushioning design
Standard published on 14.9.2011
Selected format:Testing method of dynamic compression for packaging cushioning materials
Standard published on 18.7.2008
Selected format:Testing method of static compression for packaging cushioning materials
Standard published on 10.6.2008
Selected format:Testing method of vibration transmissibility for packaging cushioning materials
Standard published on 10.6.2008
Selected format:Slotted round nuts
Standard published on 24.6.1988
Selected format:Rules of rounding off for numerical values & expression and judgement of limiting values
Standard published on 16.7.2008
Selected format:Test method for mechanical shock fragility rating of products using packaging cushioning materials
Standard published on 18.7.2008
Selected format:Method of measuring and evaluation thermal insulation effects for equipments and pipes
Standard published on 19.6.2008
Selected format:
Method of measuring and evaluation thermal insulation effects for equipments and pipes
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Latest update: 2026-04-30 (Number of items: 2 275 280)
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