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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
Specified wheat flour
Standard published on 28.11.2024
Selected format:Sweet potato slices for industrial use
Standard published on 4.11.2008
Selected format:Lock washers internal teeth
Standard published on 5.2.1987
Selected format:Serrated lock washers internal teeth
Standard published on 5.2.1987
Selected format:Sampling methods of the main products in salt making industry
Standard published on 31.12.2021
Selected format:Lock washers external teeth
Standard published on 5.2.1987
Selected format:Serrated lock washers external teeth
Standard published on 5.2.1987
Selected format:Determination of urease activity in soya bean products for feeds
Standard published on 9.6.2006
Selected format:Metal tube far infraed heater
Standard published on 6.2.1988
Selected format:Classification for burning behavior of building materials and products
Standard published on 31.12.2012
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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