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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
Railway applications—Converter onboard rolling stock—Auxiliary converters for suburban railway and urban rail transit vehicles
Standard published on 15.3.2024
Selected format:Railway applications—Converter onboard rolling stock—Auxiliary converters for suburban railway and urban rail transit vehicles
Standard published on 15.3.2024
Selected format:Technical specification of sample collection and processing for single cell sequencing
Standard published on 15.3.2024
Selected format:Determination of functional component astaxanthin in cosmetics—High performance liquid chromatography
Standard published on 15.3.2024
Selected format:Determination of styrene and 2-chloroethanol in cell culture medium—Gas chromatography-mass spectrometry (GC-MS
Standard published on 15.3.2024
Selected format:Cybersecurity technology—Technical specification for caller identity authentication using crypto tokens
Standard published on 25.4.2024
Selected format:General technical requirements for manufacturing equipment intellectualization
Standard published on 15.3.2024
Selected format:Information technology—Telecommunications and information exchange between systems—Requirement for video to video network system
Standard published on 15.3.2024
Selected format:Artificial intelligence—Technical requirements for machine learning system
Standard published on 15.3.2024
Selected format:Information technology—Telecommunications bonding networks for buildings and other structures
Standard published on 15.3.2024
Selected format:Latest update: 2026-09-10 (Number of items: 2 300 145)
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