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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
Graphical signs for environmental protection--Discharge outlet(source)
Standard published on 10.5.1995
Selected format:Graphical signs for environmental protection--Solid waste storage (disposal) site
Standard published on 10.5.1995
Selected format:General technical specifications for mixture of high explosives and industrial explosives
Standard published on 23.8.2024
Selected format:Graphical symbols—Terms
Standard published on 31.3.2020
Selected format:Public information guidance system—Setting principles and requirements—Part 1: General principles
Standard published on 31.3.2020
Selected format:Guidance system for public information - Setting principles and requirements - Part 10: Street blocks
Standard published on 6.5.2009
Selected format:Guidance system for public information - Setting principles and requirement - Part 11: Vehicle parking lot
Standard published on 5.11.2012
Selected format:Public information guidance systems—Setting principles and requirements—Part 2: Airport
Standard published on 28.11.2024
Selected format:Public information guidance systems—Setting principles and requirements—Part 20: Urban area
Standard published on 9.3.2021
Selected format:Public information guidance systems—Setting principles and requirements—Part 3: Railway passenger station
Standard published on 31.3.2020
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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