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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
Construction winch-Safety rules
WITHDRAWN published on 1.1.1991
Selected format:-
WITHDRAWN published on 1.1.1977
Selected format:Test method of performance for crawler crane with lifting capacity up to 150 tons
WITHDRAWN published on 16.12.1991
Selected format:Hydraulic excavators—Methods of measuring lift capacity
WITHDRAWN published on 16.12.1991
Selected format:Earth-moving machinery—Hydraulic excavators—Lift capacity
WITHDRAWN published on 19.9.2005
Selected format:Hydraulic excavators—Methods of measuring tool forces
WITHDRAWN published on 16.12.1991
Selected format:Concrete pump
WITHDRAWN published on 16.12.1991
Selected format:Concrete pump
WITHDRAWN published on 1.6.2004
Selected format:Adjusting test chart for copying machine A3
WITHDRAWN published on 14.12.1991
Selected format:Magnetoelastic force and weight transducers
WITHDRAWN published on 14.12.1991
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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