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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
Instructions for use of products of consumer interest—Part 5Toys
Standard published on 5.10.2025
Selected format:Instructions for use of products of consumer interest—Part 6:furniture
Standard published on 5.10.2025
Selected format:Instructions for use of products of consumer interest - Parts 7: Sports equipment
Standard published on 19.9.2008
Selected format:Cinematography--Maximum permissible area for subtitle on 35mm and 16mm motion-picture release prints--Position and dimensions
Standard published on 4.12.2002
Selected format:Image area on 35mm motion-picture films with masked picture--Positions and dimensions
Standard published on 25.8.1985
Selected format:Cinematography--Safe picture areas for motion-picture films for television--Position and dimensions
Standard published on 4.12.2002
Selected format:Asphalt thin-film oven test method
Standard published on 11.5.2001
Selected format:Packaging, marking, transportation and storage of hand tools
Standard published on 30.12.2008
Selected format:Seamless steel tubes and pipes for high pressure boiler
Standard published on 7.9.2023
Selected format:Seamless steel tubes and pipes for ship
Standard published on 29.8.2025
Selected format:Latest update: 2026-06-28 (Number of items: 2 284 473)
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