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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
General specification of Chinese and English electronic typewriter for office management
WITHDRAWN published on 7.1.1993
Selected format:Pre-recorded optical reflective videodisk system "Laser vision" 50 Hz/625 lines—PAL
WITHDRAWN published on 7.1.1993
Selected format:Safety valves for marine air vessel
WITHDRAWN published on 9.1.1993
Selected format:Marine halon fire extinguishing system technical specifications
WITHDRAWN published on 9.1.1993
Selected format:Marine halon fire extinguishing unit
WITHDRAWN published on 9.1.1993
Selected format:Methods of test for the determination of the permittivity and dielectric dissipation factor of solid electrical insulating materials at poweraudio and radio frequencies including metre wavelengths
WITHDRAWN published on 31.8.1988
Selected format:Terminology for offshore oil and gas development engineering
WITHDRAWN published on 3.3.2008
Selected format:Terminology for offshore oil and gas development engineering—Comprehension
WITHDRAWN published on 9.1.1993
Selected format:Terminology for offshore oil and gas development engineering—Platform
WITHDRAWN published on 9.1.1993
Selected format:Terminology for offshore oil and gas development engineering—Single point mooring unit and positioning system
WITHDRAWN published on 9.1.1993
Selected format:Latest update: 2026-07-29 (Number of items: 2 290 440)
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