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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
The sanitary specifications of perchloravinyl interior coatings for food container
WITHDRAWN published on 9.12.1986
Selected format:Graduation of resisting wind pressure capacity and their test method for windows
WITHDRAWN published on 1.1.1986
Selected format:Graduation and test method for wind resistance performance of windows
WITHDRAWN published on 28.4.2002
Selected format:Graduations and test methods of air permeability,watertightness,wind load resistance performance for building external windows and doors
WITHDRAWN published on 30.7.2008
Selected format:Graduation of air permeability and their test method for windows
WITHDRAWN published on 1.1.1986
Selected format:Graduation and test method for air permeability performance of windows
WITHDRAWN published on 28.4.2002
Selected format:Graduation of water penetration and their test method For windows
WITHDRAWN published on 1.1.1986
Selected format:Graduation and test method for watertightness performance of windows
WITHDRAWN published on 28.4.2002
Selected format:Putty for glazing in building
WITHDRAWN published on 1.1.1986
Selected format:Hot-rolled quality carbon structural steel plates and wide strips
WITHDRAWN published on 29.2.1988
Selected format:Latest update: 2026-06-16 (Number of items: 2 283 261)
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