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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
Graduation and test method of daylighting properties for windows
WITHDRAWN published on 28.4.2002
Selected format:Bathrooms in housing functions and series of dimensions
WITHDRAWN published on 25.12.1989
Selected format:Water-resistant gypsum plaster board
WITHDRAWN published on 1.1.1989
Selected format:Fire-resistant gypsum plaster board
WITHDRAWN published on 1.1.1989
Selected format:Methods for chemical analysis of aluminum
WITHDRAWN published on 22.1.1975
Selected format:Perforated gypsum boards for acoustic use
WITHDRAWN published on 1.1.1989
Selected format:Steel furrings for buildings
WITHDRAWN published on 29.4.2001
Selected format:Steel furring for building
WITHDRAWN published on 9.1.2008
Selected format:PVC floor sheets—PVC floor sheets with backing
WITHDRAWN published on 25.12.1989
Selected format:Polyvinyl chloride floor sheets—Part 1:Polyvinyl chloride floor sheets with backing
WITHDRAWN published on 19.1.2005
Selected format:Latest update: 2025-11-11 (Number of items: 2 243 547)
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