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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
Ball screws - Part 4: Static axial rigidity
Standard published on 3.6.2008
Selected format:Ball screws - Part 5: Static and dynamic load ratings and operational life
Standard published on 3.6.2008
Selected format:Basic terminology for grinding process using grinding wheels
Standard published on 30.6.2025
Selected format:Specifications for quality assurance test for computed tomography X-ray scanners
Standard published on 30.12.2011
Selected format:Three-piece can with aluminum easy open end
Standard published on 18.7.2008
Selected format:Flame retardant fabrics
Standard published on 25.5.2006
Selected format:Flame retardant fabrics
Standard published on 28.2.2025
Selected format:Textiles—Determination of the banned azo colorants
Standard published on 30.12.2011
Selected format:Textiles—Determination of the banned azo colourants
Standard published on 15.3.2024
Selected format:TextilesDetermination of heavy metalsPart 1: Atomic absorption spectrophotometry
Standard published on 25.5.2006
Selected format:Latest update: 2026-09-03 (Number of items: 2 300 115)
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