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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
Bar code for commodity128 bar code
Standard published on 3.9.2014
Selected format:Blank detail specification for receiving tubes
Standard published on 30.12.1994
Selected format:Cold plate design guideline for electronic equipment
Standard published on 5.1.1995
Selected format:Paper and board-Determination of Opacity(paper backing)-Diffuse reflectance method
Standard published on 26.9.2005
Selected format:Environmental testing methods for infrared detectors
Standard published on 6.1.1995
Selected format:Ambient air--Determination of total suspended particulates--Gravimetric method
Standard published on 4.1.1995
Selected format:Guidelines for preparing samples for genetoxicity testing of organic pollutants in environment
Standard published on 4.1.1995
Selected format:Method by use of photobalteria for detecting the acute toxicity of water quality
Standard published on 4.1.1995
Selected format:Regulations for monitoring radioactivity in effluents from uranium processing and nuclear fuel fabrication facilities
Standard published on 12.1.1995
Selected format:Representation of results of particle size analysis - Part 1: Graphical representation
Standard published on 18.7.2008
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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