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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
IPv6 address assignment and coding rules—Internet access service providers
Standard published on 5.10.2025
Selected format:Nanotechnologies—Testing the photocatalytic activity of nanoparticles for NADH oxidation
Standard published on 5.10.2025
Selected format:Security testing methods for critical network devices—Programmable logic controller(PLC)
Standard published on 5.10.2025
Selected format:IPv6 adoption rate evaluation indicators and evaluation methods—Part 1Website
Standard published on 5.10.2025
Selected format:IPv6 adoption rate evaluation indicators and evaluation methods—Part 2Mobile internet applicationAPP
Standard published on 5.10.2025
Selected format:IPv6 adoption rate evaluation indicators and evaluation methods—Part 3:IP bearer network
Standard published on 5.10.2025
Selected format:IPv6 adoption rate evaluation indicators and evaluation methods—Part 4Internet data center
Standard published on 5.10.2025
Selected format:IPv6 adoption rate evaluation indicators and evaluation methods—Part 5:Content delivery networkCDN
Standard published on 5.10.2025
Selected format:Guidelines for rivers and lakes happiness evaluation—Part 1: Rivers with a watershed area of 3000 km2 or less
Standard published on 5.10.2025
Selected format:Diagnostics for animal infection with severe acute respiratory syndrome coronavirus 2
Standard published on 5.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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