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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
Glass fiber mats - chopped strand and continuous filament mats
Standard published on 26.3.2007
Selected format:Glass fiber mats—Chopped strand and continuous filament mats
Standard published on 26.3.2007
Selected format:Specification for pastes of precious metal used for microelectronics
Standard published on 12.10.2022
Selected format:Performance test method for electronic pastes— Conductor pastes test
Standard published on 5.10.2025
Selected format:Standard test method for benzene inhydrocarbon solvents by gas chromatography
Standard published on 20.8.1998
Selected format:Standard test method for distillation of heavy hydrocarbon mixtures—Vacuum potstill method
Standard published on 31.3.2020
Selected format:Determination of multielements of lubricating oils and base oils—Inductively coupled plasma atomic emission spectrometry(ICP-AES)
Standard published on 23.5.2023
Selected format:Automotive gear lubricant viscosity classification
Standard published on 5.11.2012
Selected format:Low-voltage power supply devicesd.c.output--Performance characteristics
Standard published on 14.5.2004
Selected format:Apricots--Guide to cold storage
Standard published on 28.8.1998
Selected format:Latest update: 2026-09-02 (Number of items: 2 300 045)
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