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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
High-carbon chromium bearing steel
Standard published on 29.8.2016
Selected format:High-carbon chromium bearing steel
Standard published on 29.8.2016
Selected format:Method for measuring distillation range of coking viscous oil products
Standard published on 15.4.2022
Selected format:Non-destructive testing of steel tubes—Automated ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for verification of hydraulic leak-tightness
Standard published on 11.9.2015
Selected format:Hot-face identification marking of refractory bricks for use in rotary kilns
Standard published on 11.10.2021
Selected format:Damping materials—Testing method for damping properties
Standard published on 28.1.2026
Selected format:Terminology for wood-based panels and their surface decoration
Standard published on 14.5.2018
Selected format:Method of laboratory test for toxicity of wood preservatives against termites
Standard published on 3.7.2015
Selected format:Test method for anti-mildew agents in controlling wood mould and stain fungi
Standard published on 12.11.2013
Selected format:Wood based panel machinery—General specifications
Standard published on 15.3.2024
Selected format:Latest update: 2026-09-10 (Number of items: 2 300 145)
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