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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 urban electric power planning
WITHDRAWN published on 28.5.1999
Selected format:Design code for general plan and transportation of nuclear power plants
WITHDRAWN published on 10.6.1999
Selected format:Code for deslgn of cement plant
WITHDRAWN published on 8.3.1999
Selected format:Code for design of cement plant
WITHDRAWN published on 24.9.2008
Selected format:Technical standard for water-supply wall
WITHDRAWN published on 13.4.1999
Selected format:Standard for basic terms of electric power engineering
WITHDRAWN published on 24.8.2006
Selected format:Code for Scenic area Planning
WITHDRAWN published on 10.11.1999
Selected format:Code for construction and acceptance of metro engineering
WITHDRAWN published on 10.6.1999
Selected format:Test method for knock characteristics of motor and aviation fuels by the motor method
WITHDRAWN published on 21.12.1995
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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