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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
Specifications for marine fire-resistant windows
Standard published on 30.6.2025
Selected format:Design and installation of electrolysis of seawater anti-fouling system for ship
Standard published on 25.4.2025
Selected format:Selection of explosion proof electrical equipment in ship hazardous areas
Standard published on 25.4.2025
Selected format:Technical requirements for the transmission through contribution and primary distribution networks of digital television signals defined according to the 422 standard
Standard published on 24.7.1998
Selected format:Safety specification for the protection of dust explosion for grain processing,storage and transportation system
Standard published on 24.1.2025
Selected format:Measuring methods for parameters of infrared focal plane arrays
Standard published on 12.11.2013
Selected format:Cast grinding balls
Standard published on 9.3.2022
Selected format:Fluid power systems and components—Vocabulary
Standard published on 15.3.2024
Selected format:Aerosol valve
Standard published on 31.12.2012
Selected format:Packaging--Dimensions of flexible freight container transport packages
Standard published on 10.8.1998
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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