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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
Measurements and limits of radiation of cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz
Standard published on 28.5.1997
Selected format:Measurements and limits of immunity of cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz
Standard published on 28.5.1997
Selected format:Specifications of the baseline measurements
Standard published on 25.3.2019
Selected format:Codes for name of petroliferous basin and inferior tectonic unit of China
Standard published on 31.10.2025
Selected format:Information technology - Universal multiple-octet coded character set (CJK unified ideographs) - 24-dot matrix font - Part 1: Song Ti
Standard published on 10.1.2011
Selected format:Information technology - Universal multiple-octet coded character set (CJK unified ideographs) 48-dot matrix font - Part 1Song Ti
Standard published on 10.1.2011
Selected format:Security alarm equipment—Safety requirements and test methods
Standard published on 29.12.2022
Selected format:Carbonless copy paper
Standard published on 1.11.2017
Selected format:Food machinery safety requirements
Standard published on 8.9.2023
Selected format:Furniture leather
Standard published on 28.12.2018
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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