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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
Specification for insulating materials based on mica - Part 8: Glass-backed mica paper with a B-stage epoxy resin binder
Standard published on 10.6.2009
Selected format:Insulating materials based on mica - Part 9: Polyester film mica paper with an epoxy resin binder for single conductor taping
Standard published on 10.6.2009
Selected format:Standard for vibration control design of industrial buildings
Standard published on 9.6.2020
Selected format:Code for seismic design of special structures
Standard published on 28.5.2012
Selected format:Code of design for carbon dioxide fire extinguishing systems
Standard published on 1.1.1993
Selected format:Code for safety of power supply and consumption for construction site
Standard published on 15.4.2014
Selected format:Design code for producer gas station
Standard published on 25.12.2012
Selected format:Code for design of open pit mine of coal industry
Standard published on 8.3.2015
Selected format:Technical code for project of civil closed circuit monitoring television system
Standard published on 26.8.2011
Selected format:Unified standard for reliability design of hydraulic engineering structures
Standard published on 6.9.2013
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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