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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
Evacuated tube solar collectors
WITHDRAWN published on 8.11.2007
Selected format:Classification and rules of nomenclature for industrial explosives
WITHDRAWN published on 19.11.1998
Selected format:Ammonium nitrate fuel oil explosive
WITHDRAWN published on 19.11.1998
Selected format:Shaping machine—Safeguarding specification
WITHDRAWN published on 18.11.1998
Selected format:Slotting machine—Safeguarding specification
WITHDRAWN published on 18.11.1998
Selected format:Broaching machine—Safeguarding specification
WITHDRAWN published on 18.11.1998
Selected format:Ball screws—Part 1:Vocabulary and designation
WITHDRAWN published on 18.11.1998
Selected format:Ball screws--Part2:Nominal diameters and nominal leads--Metric series
WITHDRAWN published on 18.11.1998
Selected format:Ball screws—Part 3:Acceptance conditions and acceptance tests
WITHDRAWN published on 18.11.1998
Selected format:Basic terminology for grinding processes using grinding wheels
WITHDRAWN published on 18.11.1998
Selected format:Latest update: 2026-06-16 (Number of items: 2 283 267)
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