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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
Reinforcements—Test method for yarns Part 4:Determination of stiffness
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for yarns Part 5:Determination of fibre diameter for glass fibre
WITHDRAWN published on 11.5.2001
Selected format:Reinforcements—Test method for yarns Part 6:Determination of twist balance index
WITHDRAWN published on 11.5.2001
Selected format:Safety code for painting--Labour safety and labour health management
WITHDRAWN published on 20.4.1987
Selected format:Safety code for painting—Safety, ventilation and air clean-up for pretreatment process of painting
WITHDRAWN published on 14.5.1999
Selected format:Safety code for painting—Safetyventilation and air clean-up for pretreatment process of painting
WITHDRAWN published on 31.7.2012
Selected format:Safety code for painting--Ventilation and air clean-up for surface preparation techniques before painting
WITHDRAWN published on 1.1.1987
Selected format:The rule of nomenclature for dangerous goods
WITHDRAWN published on 20.4.1987
Selected format:Ferrocement farming boat
WITHDRAWN published on 1.1.1987
Selected format:Prestressed concrete purline with rectangular section for rural houses
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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