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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
Terms of ferrocement and related products
Execute Date: february 2027
Standard published on 2.7.2026
Selected format:Turbine compressors for petroleum refining plant
Standard published on 30.5.2025
Selected format:Turbine compressors for ammonia and urea plant
Standard published on 30.5.2025
Selected format:Transparent glass-ceramics for mobile display cover
Standard published on 1.8.2025
Selected format:High purity sand applied inside quartz crucible for photovoltaic monocrystalline silicon growth
Standard published on 30.5.2025
Selected format:Specification for construction of waste agricultural machinery recycling system
Standard published on 30.5.2025
Selected format:Electrically heated aircraft transparencies
Standard published on 30.5.2025
Selected format:Titania doped silica glass for lithography
Standard published on 30.5.2025
Selected format:Guidelines for risk assessment and reduction for collaborative safety system of low voltage electrical equipment
Standard published on 30.5.2025
Selected format:Quality information description of shared idle items
Standard published on 30.5.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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