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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
Determination of vitamin B6 in premix—High performance liquid chromatograph
Standard published on 17.9.2018
Selected format:Raw lacquer
Standard published on 7.8.2008
Selected format:Proofreader’s marks and their application
Standard published on 16.11.1993
Selected format:Proofreader’s marks for image reproduction
Standard published on 16.11.1993
Selected format:Adhesive coated polyester film for flexible printed circuits
Standard published on 29.12.2017
Selected format:Adhesive coated polyimide film for flexible printed circuits
Standard published on 29.12.2017
Selected format:The environmental requirement and test methods for medical electrical equipment
Standard published on 15.11.2009
Selected format:General requirements for safety of small and medium size rotating electrical machines
Standard published on 30.5.2025
Selected format:Single-opening hot press
Standard published on 12.5.2009
Selected format:General technical conditions for veneer lathe
Standard published on 27.11.2023
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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