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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 dry-type smoothing reactors in converter stations at ±800kV and below
Standard published on 28.5.2012
Selected format:Code for construction and acceptance of converter valve in converter station at ±800kV and below
Standard published on 28.5.2012
Selected format:Code for construction and acceptance of converter transformer in converter station at ±800kV and below
Standard published on 28.5.2012
Selected format:Code for construction and acceptance of frame works in converter station at ±800kV and below
Standard published on 28.5.2012
Selected format:Code for investigation of geotechnical engineering of open pit coal mine
Standard published on 28.5.2012
Selected format:(Anti-blast design standards for petrochemical buildings)
Standard published on 1.1.2022
Selected format:Method for the determination of the space required by capacitors and resistors with unidirectional terminations
Standard published on 27.2.2026
Selected format:Terminology standard of electronics engineering construction
Standard published on 7.2.2013
Selected format:Technical code for Chemical System of Electronic Factory
Standard published on 28.6.2012
Selected format:Code for technological design of non-ferrous concentrator
Standard published on 13.8.2012
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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