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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
Technical requirements of power supplies for electronic equipments of fishing vessels
WITHDRAWN published on 27.12.2007
Selected format:Securities and related financial instruments—Classification of financial instruments(CFI code)
WITHDRAWN published on 6.2.2018
Selected format:Fertilizers--Determination of nitrate nitrogen content--Nitron gravimetric method
WITHDRAWN published on 11.4.1983
Selected format:Fertilizers—Determination of urea nitrogen content—Urease method
WITHDRAWN published on 11.4.1983
Selected format:Determination of ammoniacal nitrogen content in ammonium hydrogen carbonate and ammonia water--Acidimetric method
WITHDRAWN published on 1.1.1983
Selected format:Bonded abrasive products--Grinding wheel dimensions--Threaded insert disks
WITHDRAWN published on 1.1.1983
Selected format:Measuring method for pH of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Safety operation regulation of port dangerous cargo container in terminal stacking yard
WITHDRAWN published on 15.3.2018
Selected format:Measuring method for bulk density of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Measuring method for density of abrasive grains
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2025-12-18 (Number of items: 2 252 678)
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