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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 standard for nearly zero energy buildings
Standard published on 24.1.2019
Selected format:Standard for quality acceptance of building slope engineering construction
Standard published on 24.1.2019
Selected format:Engineering technical standard for fiber reinforced plastics chimney
Standard published on 22.11.2019
Selected format:Standard for withdrawal of housing provident fund
Standard published on 13.2.2019
Selected format:Technical standard for operation,maintenance and safety management of urban utility tunnel
Standard published on 13.2.2019
Selected format:Standard for durability assessment of existing concrete structures
Standard published on 13.2.2019
Selected format:Assessment standard for green campus
Standard published on 13.3.2019
Selected format:Standard for design of ventilation air conditioning and heating of urban rail transit
Standard published on 13.3.2019
Selected format:Standard for urban underground space planning
Standard published on 1.1.2019
Selected format:Technical standard for pipelines engineering between petrochemical projects in petrochemical industry
Standard published on 25.9.2019
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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