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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
General technical conditions for fire indicating panels
WITHDRAWN published on 15.7.1998
Selected format:Method of test for gloss of paint films
WITHDRAWN published on 15.9.1979
Selected format:Estimating the maximum use temperature of thermal insulation
WITHDRAWN published on 15.7.1998
Selected format:Lightweight aggregates and its test methods—Part 1:Lightweight aggregates
WITHDRAWN published on 15.7.1998
Selected format:Lightweight aggregates and its test methods—Part 2:Test methods for lightweight aggregates
WITHDRAWN published on 15.7.1998
Selected format:Methods of sampling for analysing the chemical composition of wrought aluminum and aluminum alloy
WITHDRAWN published on 15.7.1998
Selected format:Foundation terms for chemical analysis of metallurgical products
WITHDRAWN published on 15.7.1998
Selected format:Specifications for ships""fire-resistant windows
WITHDRAWN published on 20.7.1998
Selected format:Specifications for marine fire-resistant windows
WITHDRAWN published on 14.2.2008
Selected format:Design and installation of electrolysis of seawater anti-fouling system for ship
WITHDRAWN published on 24.7.1998
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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