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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
Hygienic specification for facilities of secondary water supply
Standard published on 30.5.2025
Selected format:Titanium dioxide pigments
Standard published on 1.9.2006
Selected format:Lithopone
Standard published on 31.12.2012
Selected format:Hygienic standard for nitrogen oxides in indoor air
Standard published on 11.11.1997
Selected format:Aerospace—Rivets, solid—Materials list
Standard published on 30.4.2026
Selected format:Hot-dip zinc or zinc-aluminium coated steel wires for bridge cables
Standard published on 4.6.2019
Selected format:Hot-dip zinc or zinc-aluminium coated steel wires for bridge cables
Standard published on 4.6.2019
Selected format:
Hot-dip zinc or zinc-base-alloy coated steel wires for bridge cables
Execute Date: october 2026
Standard published on 31.3.2026
Selected format:Classification of aluminum-silicon dense shaped refractory products
Standard published on 28.5.2024
Selected format:Structural steel bars for forgings
Standard published on 31.10.2025
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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