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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
Tubular rivets
Standard published on 2.7.1986
Selected format:Test method for dislocation density of monocrystal gallium arsenide
Standard published on 29.9.2020
Selected format:Test methods for gas absorption characteristic of non-evaporation gettering materials and products
Standard published on 2.6.2020
Selected format:Lithium hydroxide monohydrate
Standard published on 27.11.2013
Selected format:Ingots of zirconium and zirconium alloy
Standard published on 14.1.2011
Selected format:Zirconium and zirconium alloy bars and wires
Standard published on 14.1.2011
Selected format:Taper pins with split
Standard published on 2.7.1986
Selected format:Determination of dynamic water adsorption capability for molecular sieve
Standard published on 5.12.2014
Selected format:Maximum limits for soluble elements content of pencil coating
Standard published on 26.6.2007
Selected format:Slotted headless screws with shank
Standard published on 2.7.2007
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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