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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
Semiconductor converters - Electrical test methods
Standard published on 19.7.2013
Selected format:Reliability requirements and test methods for digital communication equipment
Standard published on 10.3.1992
Selected format:Performance requirement of the delta medulation equipment
Standard published on 10.3.1992
Selected format:Methods of measurement for the delta modulation equipment
Standard published on 10.3.1992
Selected format:National Food Safety Standard Food Labeling of Prepackaged Special Diet
Standard published on 26.12.2013
Selected format:Methods of measuring characteristics for discharge lamps (excluding fluorescent lamps)
Standard published on 29.4.2008
Selected format:
Methods of measuring characteristics for discharge lamps (excluding fluorescent lamps)
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Technical requirements for torsional vibration measuring instrument
Standard published on 27.9.2008
Selected format:Description of torsional vibration absorber characteristics
Standard published on 24.4.2009
Selected format:Mechanical vibration and shock - Evaluation of human exposure to whole-body vibration - Part 1: General requirements
Standard published on 30.4.2007
Selected format:Latest update: 2026-08-04 (Number of items: 2 291 378)
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