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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
Diecasting dies—Components—Part 3: Rectangular inserts
Standard published on 29.9.2017
Selected format:Diecasting dies—Components—Part 4: Square guide pillars
Standard published on 29.9.2017
Selected format:Diecasting dies—components—Part 5: Round guide pillar
Standard published on 29.9.2017
Selected format:Diecasting dies—Components—Part 6: Headed guide bush
Standard published on 29.9.2017
Selected format:Diecasting dies—Components—Part 7: Straight guide bush
Standard published on 29.9.2017
Selected format:Diecasting dies—Components—Part 8: Ejector plate
Standard published on 29.9.2017
Selected format:Diecasting dies—Components—Part 9: Ejector guide pillar
Standard published on 29.9.2017
Selected format:Road vehicles—Brake lining friction materials—Metal pick up test method for disc brake linings
Standard published on 2.12.2025
Selected format:Metallic and other inorganic coatings—Determination of thermal conductivity of thermal barrier coatings
Standard published on 2.12.2025
Selected format:Metallic and other inorganic coatings—Simultaneous thickness and electrodepotential determination of individual layers in multilayer nickel deposits(STEP test)
Standard published on 2.12.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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