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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 standard for complementary food supplements
WITHDRAWN published on 15.12.2008
Selected format:Surface chemical analysis—X-ray photoelectron spectrometers—Calibration of energy scales
WITHDRAWN published on 11.12.2008
Selected format:Maximum limits of chlorobenzene12-dichlorobenzene14-dichlorobenzenenitrobenzene for irrigation water quality
WITHDRAWN published on 15.12.2008
Selected format:Maximum limits of toluenexylenecumenephenol and aniline for irrigation water quality
WITHDRAWN published on 15.12.2008
Selected format:Medical laboratories—Particular requirements for quality and competence
WITHDRAWN published on 15.12.2008
Selected format:Electrical insulation systems (EIS)—Thermal evaluation of combined liquid and solid components—Part 1:General requirements
WITHDRAWN published on 15.12.2008
Selected format:(The parts and units of jigs and fixtures. Plastic jig plunger)
WITHDRAWN published on 1.1.1991
Selected format:Fundamental technical requirements for francis pump-turbine
WITHDRAWN published on 15.12.2008
Selected format:Power capacitors—Low-voltage power factor correction banks
WITHDRAWN published on 15.12.2008
Selected format:Measurements of surface resistance of high temperature superconductor thin films at microwave frequencies
WITHDRAWN published on 15.12.2008
Selected format:Latest update: 2026-01-22 (Number of items: 2 257 357)
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