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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
Technical requirements and test methods of IPv4 /IPv6 network video conference service system
Standard published on 29.9.2024
Selected format:Technical specification for coding of Chinese domain names
Standard published on 29.9.2024
Selected format:Digital cameras—Chromatic displacement measurements
Standard published on 29.9.2024
Selected format:Overall technical requirements of multi-domain IPv6-only network
Standard published on 29.9.2024
Selected format:Testing method for antenna measurement fields
Standard published on 29.9.2024
Selected format:Fully refined paraffin wax
Standard published on 7.9.2023
Selected format:Mechanical drawings—Graphical symbols for kinematic diagrams
Standard published on 17.12.2013
Selected format:Multimedia delivery service via IPv4/IPv6 protocol—Part 1:Technical requirements on IPTV content transmission platform and terminal devices
Standard published on 29.9.2024
Selected format:Multimedia delivery service via IPv4/IPv6 protocol—Part 2:Technical require-ments on OTT TV content transmission platform and terminal devices
Standard published on 26.10.2024
Selected format:Information technology service—Service life cycle processes
Standard published on 29.9.2024
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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