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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
Code of geologic exploration of natural mineral water resources
Standard published on 29.8.2016
Selected format:Remote terminal unit equipment
Standard published on 4.6.2019
Selected format:Dispatching automation systems for distric power networks
Standard published on 29.11.2002
Selected format:General rules for sampling inspection of bulk materials with uniform size
Standard published on 15.10.2009
Selected format:Nomenclature and location of auricular points
Standard published on 23.4.2008
Selected format:Polyethylene blown mulch film for agricultural uses
Standard published on 14.10.2017
Selected format:Black tea—Part1: Broken black tea
Standard published on 1.11.2017
Selected format:Black tea—Part 2: Congou black tea
Standard published on 1.11.2017
Selected format:Black tea - Part 3: Souchong black tea
Standard published on 31.12.2012
Selected format:Test methods for laser beam widths,divergence angle and transverse mode
Standard published on 30.12.2011
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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