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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
The methods of determining for the warning tidal level
WITHDRAWN published on 10.8.1999
Selected format:Tempered and heat-strengthened glass used in curtain walls
WITHDRAWN published on 1.9.1999
Selected format:Shipbuilding and marine structures—Symbols for computer applications
WITHDRAWN published on 31.8.1999
Selected format:Shipbuilding and marine structures—Dredgers—Terminology
WITHDRAWN published on 31.8.1999
Selected format:Ships and marine technology - Dredgers - Terms
WITHDRAWN published on 17.7.2007
Selected format:Small craft--Remote steering systems
WITHDRAWN published on 31.8.1999
Selected format:Small craft—Remote steering systems for single outboard motors of 15 to 40kW power
WITHDRAWN published on 31.8.1999
Selected format:Small craft—Electrically operated bilge-pumps
WITHDRAWN published on 31.8.1999
Selected format:Small craft—Electrically operated direct-current bilge pumps
WITHDRAWN published on 9.3.2009
Selected format:Small craft—Electrical fans
WITHDRAWN published on 31.8.1999
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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