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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
Basic terminology in travel and tourism
Standard published on 29.9.2017
Selected format:Service quality in the amusement park
Standard published on 14.1.2011
Selected format:Metal-cutting machine tools—Measurement method for vabration
Standard published on 5.10.2025
Selected format:Determinating the epoxy value of plasticizers
Standard published on 28.12.2023
Selected format:Solid hardmetal end mills with parallel shank—Part 1: Type and dimensions
Standard published on 31.10.2025
Selected format:Solid hardmetal end mills with parallel shank - Part 2: Technical specifications
Standard published on 3.6.2008
Selected format:Codification systems for Chinese coals
Standard published on 17.4.1997
Selected format:Method of preparing coal samples for the coal petrographic analysis
Standard published on 29.7.2008
Selected format:Autoboosting caliber liquid nitrogen container
Standard published on 31.12.2012
Selected format:Structural silicone sealants for building
Standard published on 1.8.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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