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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
Chemical reagent—Potassium sodium tartrate tetrahydrate
Standard published on 29.9.2024
Selected format:Chemical reagent—Sodium oxalate
Standard published on 30.12.2022
Selected format:Specifications for the first and second order leveling
Standard published on 24.5.2006
Selected format:Specifications for the third and fourth order leveling
Standard published on 6.5.2009
Selected format:General specification for hand-held metal detector
Standard published on 19.11.2018
Selected format:Surface chemical analysis—Electron spectroscopies—Measurement of the thickness and composition of nanoparticle coatings
Standard published on 28.1.2026
Selected format:General terminology for ships--Shipbuilding material
Standard published on 11.5.1991
Selected format:Gum turpentine
Standard published on 28.8.2006
Selected format:
Gum turpentine
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Analytical method for turpentine
Standard published on 12.7.2006
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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