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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
Standard capacitors
Standard published on 25.4.1988
Selected format:Inductive voltage dividers
Standard published on 19.8.2008
Selected format:Fluid power systems and components—Identification code for cylinders mounting dimensions and mounting types
Standard published on 19.11.2020
Selected format:Sintered ferrous materialscarburized or carbonitrided - Determination and verification of case-harding depth
Standard published on 11.8.2008
Selected format:Sintered metal materials,excluding hardmetals—Charpy impact test method
Standard published on 30.6.2025
Selected format:Sintered metal materialsexcluding hardmetals—Determination of apparent hardness and mincrohardness
Standard published on 24.2.2016
Selected format:Hermetic motor-compressors for refrigerators
Standard published on 11.10.2021
Selected format:Split pins
Standard published on 26.9.2000
Selected format:Polyamide 66 dipped tyre cord fabric
Standard published on 29.12.2017
Selected format:Nylon 6 dipped tyre cord fabric
Standard published on 25.4.2016
Selected format:Latest update: 2026-04-22 (Number of items: 2 274 512)
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