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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
Bulk-cement delivery tanker security quality
WITHDRAWN published on 1.7.2008
Selected format:Technical specifications for end-of-life vehicles recycling and dismantling enterprise
WITHDRAWN published on 1.7.2008
Selected format:Repairing all-purpose technical criterion for agricultural machinery
WITHDRAWN published on 26.6.2008
Selected format:(The parts and units of jigs and fixtures. Thin bezel)
WITHDRAWN published on 1.1.1991
Selected format:Practice for ultrasonic examination from bored surfaces of cylindrical forgings
WITHDRAWN published on 25.6.2008
Selected format:Microscopes—Diameter of interchangeable eyepieces
WITHDRAWN published on 30.6.2008
Selected format:VMEbus extensions for intrumentation - Part 4: TCP/IP-IEEE488.2 instrument interface specification
WITHDRAWN published on 30.6.2008
Selected format:Milestones and activities during commissioning of electrical instrumentation and control systems in the process industry
WITHDRAWN published on 18.6.2008
Selected format:Valve positioners for use in industrial-process control system—Part 2:Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs
WITHDRAWN published on 30.6.2008
Selected format:Specification for film tension in 35 mm motion-picture systems
WITHDRAWN published on 30.6.2008
Selected format:Latest update: 2026-04-20 (Number of items: 2 274 419)
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