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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
Testing methods for synthetic resin emulsions
Standard published on 20.8.2021
Selected format:Testing method for compressive shear strength of dowel joint by inorganic adhesives
Standard published on 31.3.1989
Selected format:Steel cord for radial tyre
Standard published on 13.10.2016
Selected format:Steel wire for rubber hose reinforcement
Standard published on 29.12.2017
Selected format:Steel wire for rubber hose reinforcement
Standard published on 1.8.2025
Selected format:Paints and varnishes - Bend test(conical mandrel)
Standard published on 2.6.2009
Selected format:Methods for measuring the colour of coatings
Standard published on 30.6.2025
Selected format:Flat relieved tooth slotting cutters--Part 1:The types and dimensions
Standard published on 30.5.2002
Selected format:Flat relieved tooth slotting cutters--Part 2:The technical specifications
Standard published on 30.5.2002
Selected format:Standard for marine radio communication vocabulary
Standard published on 12.3.2003
Selected format:Latest update: 2026-03-17 (Number of items: 2 266 788)
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