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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
Classification of domestic ceramics
Standard published on 15.3.2018
Selected format:Code for design of concrete structures
Standard published on 1.1.2010
Selected format:Code for seismic design of buildings
Standard published on 1.1.2010
Selected format:Code for design of class railway
Standard published on 11.10.2012
Selected format:Code for design of outdoor water supply engineering
Standard published on 1.8.2019
Selected format:Code for design of outdoor wastewater engineering
Standard published on 9.4.2021
Selected format:Code for design of building water supply and drainage
Standard published on 21.6.2019
Selected format:Code for fire protection design of buildings
Standard published on 27.8.2014
Selected format:Code for design of steel structures
Standard published on 1.1.2017
Selected format:Technical code of cold-formed thin-wall steel structures
Standard published on 1.1.2025
Selected format:Latest update: 2026-10-30 (Number of items: 2 208 138)
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