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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
Unified catalogue for natural stone
WITHDRAWN published on 30.6.2008
Selected format:Method of testing cements—Determination of strength
WITHDRAWN published on 8.2.1999
Selected format:Determinations for isotopes of leadstrontium and neodymium in rock samples
WITHDRAWN published on 10.2.1999
Selected format:Welded steel cylinders for liquefied propylene and propane gases
WITHDRAWN published on 11.2.1999
Selected format:Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
WITHDRAWN published on 11.2.1999
Selected format:Determination of nitrogen in crude oil by boat-inlet chemiluminescence
WITHDRAWN published on 31.12.2012
Selected format:Steering system of motor vehicles—Basic requirements
WITHDRAWN published on 14.2.1999
Selected format:Steering system of motor vehicles—Basic requirements
WITHDRAWN published on 20.2.2021
Selected format:Natural gas vehicle and liquefied petroleumgas vehicle--Identification marks
WITHDRAWN published on 14.2.1999
Selected format:Requirements for optical disk storagefiling and archival management of CAD electronic records--Part 1:Filing and archival management of CAD electronic records
WITHDRAWN published on 26.2.1999
Selected format:Latest update: 2026-08-20 (Number of items: 2 298 325)
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