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Standards GB - Chinese national standards - Page 549
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/Z 157-2026
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In vitro diagnostic test systems—Requirements and recommendations for detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by nucleic acid amplification methods
Standard published on 28.1.2026
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GB/T 1570-2005
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conical shaft ends
Standard published on 16.5.2005
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GB/T 15700-2008
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Polytetrafluoroethylene bellows compensators
Standard published on 25.8.2008
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GB 15702-1995
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Specifications for electronic charts
Standard published on 6.9.1995
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GB/T 15704-2025
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Road vehicles—Light alloy wheels—Impact test method
Standard published on 30.6.2025
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GB/T 15705-1995
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Trucks--Operating position demensions of driver
Standard published on 12.9.1995
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GB/T 15706-2012
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Safety of machinery — General principles for design - Risk assessment and risk reduction
Standard published on 5.11.2012
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GB/T 15707-2017
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Limits of radio interference from high voltage AC overhead power transmission lines
Standard published on 29.12.2017
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GB/T 15708-1995
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Measurement method of radiated radio interference caused by moving electric locomotive on AC electrified railways
Standard published on 25.9.1995
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GB/T 15709-1995
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The measurement method of radiated radio interference from contact system of AC electrified railways
Standard published on 25.9.1995
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