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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
Electrodialysis device for high-salinity-water concentration
Standard published on 7.9.2023
Selected format:Classification and designation for powder metallurgy materials
Standard published on 19.3.2009
Selected format:Rutheniumchloride
Standard published on 7.9.2023
Selected format:Test method for compressive strength of powder
Standard published on 7.9.2023
Selected format:Electrochemical performance test of lithium ion battery cathode materials—Test method for high temperature performance
Standard published on 7.9.2023
Selected format:Electrochemical performance test of lithium nickel manganese oxide—Test method for the initial discharge specfic capacity and initial efficiency
Standard published on 7.9.2023
Selected format:Trans-1-chloro-3,3,3-trifluoropropene[HCFO-1233zd(E)] for industrial use
Standard published on 7.9.2023
Selected format:Wide molybdenum plate
Standard published on 7.9.2023
Selected format:Metallic powders—Determination of envelope-specific surface area from measurements of the permeability to air of a powder bed under steady-state flow conditions
Standard published on 7.9.2023
Selected format:Statistical methods for heating operation data
Standard published on 7.9.2023
Selected format:Latest update: 2026-09-18 (Number of items: 2 301 509)
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