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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
General requirements for aero-derivative gas turbines
Standard published on 13.4.2009
Selected format:Noise criteria and sound measurement procedures for aero-derivative gas turbines turnkey installations
Standard published on 10.11.2010
Selected format:Technical specification for crossing signal equipment within the station
Standard published on 13.7.2018
Selected format:Technical specification for crossing signal equipment within the station
Standard published on 13.7.2018
Selected format:Technical specification for crossing signal equipment in wayside
Standard published on 13.7.2018
Selected format:Sugar beet
Standard published on 6.2.2018
Selected format:Sugarcane
Standard published on 10.11.2010
Selected format:Test methods of sugar cane
Standard published on 3.9.2014
Selected format:Sodium sulfide for industrial use
Standard published on 2.6.2009
Selected format:Carbendazim technical material
Standard published on 14.6.2016
Selected format:Latest update: 2025-08-17 (Number of items: 2 211 709)
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