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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 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:General requirements for data and transmission of emergency rescue in underground space
Standard published on 5.10.2025
Selected format:Code of practice for conservation and restoration of rare and endangered plants
Standard published on 5.10.2025
Selected format:Green product assessment—Photovoltaic modules and inverters
Standard published on 5.10.2025
Selected format:Fundamental technical requirements for flexible operating hydropower turbines under ultra-wide load
Standard published on 5.10.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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