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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
Colorimetric methods for color building materials
WITHDRAWN published on 21.12.1989
Selected format:Boiler drawings
WITHDRAWN published on 21.12.1989
Selected format:Sealed insulating glass
WITHDRAWN published on 1.1.1989
Selected format:Sealed insulating glass unit
WITHDRAWN published on 12.6.2002
Selected format:Autoclaved lime-sand brick
WITHDRAWN published on 30.7.1999
Selected format:Toughened safety glass for ships
WITHDRAWN published on 13.7.2001
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WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:-
WITHDRAWN published on 1.1.1989
Selected format:Technical specification for radiators for water-cooled engines
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2026-03-29 (Number of items: 2 269 691)
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