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Standards GB - Chinese national standards - Page 502
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
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GB/T 15176-1994
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Generic specification for socketsand accessories for electronic plug-in devices
Standard published on 20.8.1994
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GB 15179-1994
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Food machinery lubricating grease
Standard published on 23.8.1994
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GB/T 15180-2025
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Petroleum asphalts for heavy traffic road
Standard published on 28.2.2025
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GB/T 15181-1994
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Capacity calibration of spherical metal tanks--Strapping method
Standard published on 23.8.1994
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GB/T 15185-1994
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Cast iron and copper alloy ball valves
Standard published on 29.8.1994
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GB/T 15185-2016
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Flanged iron and copper ball valves
Standard published on 29.8.2016
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GB/T 15187-2017
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Measuring method for performances of wet dust collectors
Standard published on 12.5.2017
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GB/T 15189-1994
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Specification of DOS Chinese information processing system interface
Standard published on 8.9.1994
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GB/T 15190-2014
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Technical specifications for regionalizing environmental noise function
Standard published on 2.12.2014
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GB/T 15191-2010
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Trade data interchange - Trade data elements directory - data elements
Standard published on 1.12.2010
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