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Standards GB - Chinese national standards - Page 457
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 14813-2026
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Life testing method for heat pipes
Execute Date: november 2026
Standard published on 2.7.2026
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GB/T 14814-1993
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Information processing--Text and office systems--Standard generalized markup language(SGML)
Standard published on 30.12.1993
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GB/T 14815.1-1993
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Information processing--Coded representation of pictures--Part 1:Encoding principles for picture representation in a 7-bit or 8-bit environment
Standard published on 30.12.1993
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GB/T 1482-2022
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Metallic powders—Determination of flow rate—Calibrated funnel methodsHall flowmeter
Standard published on 30.12.2022
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GB/T 14820-2009
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High-voltage ignition wires for road vehicles
Standard published on 19.3.2009
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GB/T 14824-2021
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High-voltage alternating-current generator circuit-breakers
Standard published on 11.10.2021
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GB/T 14825-2023
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Determination method of suspensibility for pesticides
Standard published on 7.9.2023
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GB/T 14827-1993
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Organic chemical products forindustrial use--Test method for the determination of acidity and alkal-inity--Volumetric method
Standard published on 30.12.1993
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GB/T 14828-2003
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Test method for measuring traction performance of agricultural tyres
Standard published on 10.11.2003
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GB/T 14829-2018
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Variable-speed V-belt for agricultural machinery
Standard published on 14.5.2018
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