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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
Technical code for composite foundation
Standard published on 11.10.2012
Selected format:Technical standard for in-situ inspection of concrete structure
Standard published on 7.2.2013
Selected format:Evaluation standard for indoor thermal environment in civil buildings
Standard published on 28.5.2012
Selected format:Standard for building electricity drawings
Standard published on 28.5.2012
Selected format:Technical code for solar air conditioning system of civil buildings
Standard published on 28.5.2012
Selected format:Code for design of ±800kV DC converter station
Standard published on 11.10.2012
Selected format:Code for designing of ±800kV DC overhead transmission line
Standard published on 25.12.2012
Selected format:Code for design of geothermal power plants
Standard published on 1.11.2013
Selected format:Code for construction and acceptance of hall system engineering of videoconference
Standard published on 28.6.2012
Selected format:Code for construction of PV power station
Standard published on 28.6.2012
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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