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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
Sodium silicate for industrial use
WITHDRAWN published on 1.4.2008
Selected format:Test methods of length and width for printed and dyed fabrics
WITHDRAWN published on 20.6.1978
Selected format:Terms of electromechanical components for electronic equipment
WITHDRAWN published on 1.1.1984
Selected format:Electrotechnical terminology-Electromechanical components for electronic equipment
WITHDRAWN published on 16.11.2001
Selected format:High speed steel tool bits
WITHDRAWN published on 21.3.1984
Selected format:Versatile steam heating water distiller
WITHDRAWN published on 1.1.1989
Selected format:Pneumatic industrial process control valves
WITHDRAWN published on 29.8.1992
Selected format:Pneumatic industrial process control valves
WITHDRAWN published on 28.7.2008
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Acoustics-Household and similar electrical appliances—Test code for determination of airborne acoustical noise—Part 1:General requirements
WITHDRAWN published on 16.3.2000
Selected format:Latest update: 2025-11-06 (Number of items: 2 243 364)
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