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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
Determination of urea—Determination of particle size—Sieve method
WITHDRAWN published on 26.7.2001
Selected format:Determination of urea—Determination of sulphate content —Visible turbidimetric method
WITHDRAWN published on 26.7.2001
Selected format:Determination of Urea—Determination of methylenediurea content—Spectrophotometric method
WITHDRAWN published on 26.7.2001
Selected format:Indoor decorating and refurbishing materials—Limit of harmful substances of water based woodenware coatings
WITHDRAWN published on 30.9.2009
Selected format:Aids to navigation on the bridge over maritime navigable waters,China
WITHDRAWN published on 30.9.2009
Selected format:Urea--Determination of total nitrogen content--Formaldehyde method
WITHDRAWN published on 1.1.1981
Selected format:Guidelines for standardization of organizations in service sector—Part 1:Basic requirements
WITHDRAWN published on 30.9.2009
Selected format:Guidelines for standardization of organizations in service sector—Part 2:Standard system
WITHDRAWN published on 30.9.2009
Selected format:Guidelines for standardization of organizations in service sector—Part 3:Drafting of standards
WITHDRAWN published on 30.9.2009
Selected format:Guidelines for standardization of organizations in service sector—Part 4:Standard actualize and appraise
WITHDRAWN published on 30.9.2009
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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