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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
Codification of types for synthetic rubbers
WITHDRAWN published on 26.10.1985
Selected format:Codification of types for synthetic rubbers
WITHDRAWN published on 19.6.2008
Selected format:Specification for stationary steam turbines driving generator
WITHDRAWN published on 4.11.1985
Selected format:Fixed power plant turbine specifications
WITHDRAWN published on 3.12.2007
Selected format:High-voltage cable plug and socket connections for medical X-ray equipment
WITHDRAWN published on 31.10.1985
Selected format:Rollards technical condition
WITHDRAWN published on 31.1.1983
Selected format:Electric drills
WITHDRAWN published on 1.1.1985
Selected format:Electric drill
WITHDRAWN published on 1.1.1995
Selected format:Electric drills
WITHDRAWN published on 2.11.2001
Selected format:Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz
WITHDRAWN published on 12.11.1985
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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