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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
Ships’ deck machinery--Capstans
Standard published on 20.11.1995
Selected format:Technical specification for honey bee genetic resource survey
Standard published on 25.4.2025
Selected format:Technical specification for performance testing of honey bees
Standard published on 25.4.2025
Selected format:Technical specification for Bombyx mori genetic resource survey
Standard published on 25.4.2025
Selected format:Technical specification for Antheraea pernyi genetic resource survey
Standard published on 25.4.2025
Selected format:Specification for pig performance testing
Standard published on 25.4.2025
Selected format:Xiang pig
Standard published on 25.4.2025
Selected format:Determination of pentosan content in plant-derived products—Gas chromatography/mass spectrometry method
Standard published on 25.4.2025
Selected format:Cataloguing rules for meteorological satellite data
Standard published on 25.4.2025
Selected format:General rules for metadata of meteorological observation
Standard published on 25.4.2025
Selected format:Latest update: 2026-11-12 (Number of items: 2 209 301)
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