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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
Space environment—Ground test method for laser irradiation of aerospace materials and components
Execute Date: november 2026
Standard published on 2.7.2026
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Instrumentation important to safety for nuclear power plants—Characteristics and test methods of in-core self-powered neutron detectors
Execute Date: february 2027
Standard published on 2.7.2026
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Cable management systems—Cable ties for electrical installations
Execute Date: february 2027
Standard published on 2.7.2026
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Technical specification for three-phase induction motors for escalators application
Execute Date: february 2027
Standard published on 2.7.2026
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Basic parameters and application scope of the rotors in screw expander
Execute Date: february 2027
Standard published on 2.7.2026
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Standard meters for DC electrical energy
Execute Date: february 2027
Standard published on 2.7.2026
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General technical requirements for carbon nanotube electromagnetic shielding rubber
Execute Date: february 2027
Standard published on 2.7.2026
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Artificial intelligence—Functional requirements of edge and terminal device model deployment toolchain
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Prescription for installation of the external lighting and light-signalling devices for motor vehicles and their trailers
Standard published on 17.12.2019
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Technical specification for black start of microgrid
Execute Date: august 2027
Standard published on 2.7.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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