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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
Chemical reagents—Ammonium acetate
WITHDRAWN published on 13.8.1986
Selected format:General technical specifications of pneumatic systems for ship
WITHDRAWN published on 22.5.1991
Selected format:Marine oil-water interface detector specification
WITHDRAWN published on 22.5.1991
Selected format:Elastic damping leaf coupling
WITHDRAWN published on 22.5.1991
Selected format:Elastic damping leaf coupling
WITHDRAWN published on 14.2.2008
Selected format:Terminology for ship technology—Repairing and shipbuilding facilities
WITHDRAWN published on 22.5.1991
Selected format:Terminology for ship technology—Hull construction
WITHDRAWN published on 22.5.1991
Selected format:Terminology for ship technology—Installation technology
WITHDRAWN published on 22.5.1991
Selected format:Terminology for ship technology--Ship construction quality inspection
WITHDRAWN published on 22.5.1991
Selected format:The examination rules and test methods for the ships""cargo handling gear
WITHDRAWN published on 22.5.1991
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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