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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
CAD standard parts file--Specification of geometry and parameters--Rings
WITHDRAWN published on 23.10.1996
Selected format:CAD standard parts file--Specification of geometry and parameters--Washers
WITHDRAWN published on 23.10.1996
Selected format:-
WITHDRAWN published on 1.1.1979
Selected format:Hand-knotted woollen carpet
WITHDRAWN published on 7.5.1994
Selected format:Needle-punched carpet
WITHDRAWN published on 7.5.1994
Selected format:Lifting appliances—Dangerous positions and signs
WITHDRAWN published on 3.5.1994
Selected format:Standard method for using radiochromic film and polymethylmethacrylate dosimetry systems to measure absorbed dose
WITHDRAWN published on 4.5.1994
Selected format:Miniature screw threads—Profiles
WITHDRAWN published on 3.5.1994
Selected format:Miniature screw threads—General plan
WITHDRAWN published on 3.5.1994
Selected format:Miniature screw threads—Basic dimensions
WITHDRAWN published on 3.5.1994
Selected format:Latest update: 2026-01-23 (Number of items: 2 257 393)
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