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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
Hollow drill steels for rock drilling
Standard published on 29.8.2025
Selected format:Veneer for wood industry
Standard published on 19.11.2020
Selected format:Methods of measurement of d.c. magnetic properties of magnetically soft materials
Standard published on 10.10.2008
Selected format:Quenching and self-tempering ribbed bars for the reinforcement of concrete
Standard published on 18.9.2013
Selected format:standard for pollution control on Polychlorinated Biphenyls (PCBs)-contaminated wastes
Standard published on 29.9.2017
Selected format:Principles and requirements for constructing standard system
Standard published on 6.2.2018
Selected format:Guidelines for preparing enterprise standard system diagram
Standard published on 6.2.2018
Selected format:Polyolefin pipes and fittings—Determination of carbon black content—Test method of alcination and pyrolysis
Standard published on 6.8.2023
Selected format:Corrugating medium
Standard published on 4.1.2008
Selected format:Liner board
Standard published on 13.12.2016
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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