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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
Hanging washer
WITHDRAWN published on 1.1.1991
Selected format:Acceptance test specification for local area network (LAN) systems based on ethernet technology
WITHDRAWN published on 11.4.2008
Selected format:Frozen breaded shrimp or prawn
WITHDRAWN published on 9.4.2008
Selected format:Diagnostic techniques for African horse sickness
WITHDRAWN published on 9.4.2008
Selected format:Milk and dairy products—Determination of fatty acid content—Gas-liquid chromatography
WITHDRAWN published on 9.4.2008
Selected format:Calculating methods on the economic loss of fishery pollution accidents
WITHDRAWN published on 9.4.2008
Selected format:Criterion for forensic DNA database
WITHDRAWN published on 24.4.2008
Selected format:Cross washer
WITHDRAWN published on 1.1.1991
Selected format:Rotary drilling rig
WITHDRAWN published on 22.4.2008
Selected format:Rotary drilling rig
WITHDRAWN published on 22.4.2008
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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