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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 for construction and acceptance of water and sewerage structures
Standard published on 15.10.2008
Selected format:Standard for protection distance of radio interference to TV transposing station and relay-broadcasting station from overhead power electric line and power substation
Standard published on 11.9.2018
Selected format:Standard for appraisal of reliability of industrial buildings and structures
Standard published on 19.6.2019
Selected format:Standard for engineering classification of soil
Standard published on 1.1.2007
Selected format:Technical code for application of fly ash concrete
Standard published on 15.4.2014
Selected format:Code for construction and acceptance of high-voltage electric equipment installation engineering
Standard published on 31.5.2010
Selected format:Code for construction and acceptance of power transformers oil reactor and mutual inductor
Standard published on 31.5.2010
Selected format:Code for construction and acceptance of busbar installation of electric equipment installation engineering
Standard published on 3.11.2010
Selected format:Gear coupling with elastomer
Standard published on 12.5.2017
Selected format:Standard for hand-over test of electric equipment electric equipment installation engineering
Standard published on 15.4.2016
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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