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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
Plain bearings--Hardness testing of bearing metals--Solid materials
WITHDRAWN published on 1.1.1989
Selected format:Plain bearing--Hardness testing of bearing metals--Compound materials
WITHDRAWN published on 1.1.1989
Selected format:Flexible freight container
WITHDRAWN published on 17.7.2000
Selected format:Silicagel desiccants for packaging
WITHDRAWN published on 1.1.1989
Selected format:Hot stamping foil
WITHDRAWN published on 22.3.1989
Selected format:Cling wrap polyethylene film for keeping fresh of food
WITHDRAWN published on 22.3.1989
Selected format:Plastic cling wrap film for keeping fresh of food
WITHDRAWN published on 17.4.2009
Selected format:Buck wheat
WITHDRAWN published on 22.3.1989
Selected format:Broad beans
WITHDRAWN published on 22.3.1989
Selected format:Peas
WITHDRAWN published on 22.3.1989
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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