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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
Test methods for unsaturated polyester resins
Standard published on 30.6.2008
Selected format:Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids
Standard published on 31.12.2012
Selected format:Slotted set screws with cone point
Standard published on 24.6.1988
Selected format:Fixed capacitors for use in electronic equipment--Part 15:Sectional specification--Fixed tantalum capacitors with non-solid or solid electrolyte
Standard published on 24.11.2003
Selected format:Fixed capacitors for use in electronic equipment--Part 15-3:Blank detail specification--Fixed tantalum capacitors with solid electrolyte and porous anode--Assessment level E
Standard published on 24.11.2003
Selected format:Metallographic test for grey cast iron
Standard published on 23.5.2023
Selected format:Rolling bearings - Radial ball bearings with flanged outer ring - Flange dimensions
Standard published on 18.9.2013
Selected format:Rolling bearings - Miniature radial ball bearings with flanged outer ring - Boundary dimensions
Standard published on 18.9.2013
Selected format:Geometrical Product Specifications(GPS)--Surface texture:Profile method--Surfaceroughness--Terminology--Measurement of surface roughness parameters
Standard published on 11.11.2004
Selected format:Rongchang Pig
Standard published on 17.6.2008
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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