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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 organic-inorganic compound fertilizers - Part 3: Total potassium content
Standard published on 30.6.2010
Selected format:Guidelines on drafting standards of suspension concentrates for seed dressing
Standard published on 11.6.1999
Selected format:Superfine palladium powder
Standard published on 29.8.2025
Selected format:Freight containers—Air/surface (intermodal) general purpose containers—Specification and tests
Standard published on 2.12.2025
Selected format:Earth-moving machinery - Falling-object protective structures - Laboratory tests and performance requirements
Standard published on 23.12.2010
Selected format:Earth-moving machinery—Laboratory evaluations of protective structures—Specifications for deflection-limiting volume
Standard published on 17.9.2018
Selected format:Tolerancing of orientation and location--Projected tolerance zone
Standard published on 14.6.1999
Selected format:Fans—Dimensions
Standard published on 31.10.2025
Selected format:Rating of quality levels of tourist attractions
Standard published on 23.8.2024
Selected format:Determination of sulfur in feedstuff—Magnesium nitrate method
Standard published on 14.6.2016
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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