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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
Projectcode for heating engineering
Standard published on 9.4.2021
Selected format:Technical code for engineerings of prestressed concrete pavement
Standard published on 9.4.2021
Selected format:Technical code for municipal solid waste sanitary landfill
Standard published on 9.4.2021
Selected format:Standard for urban appearance
Standard published on 9.4.2021
Selected format:Code for the design of urban green space
Standard published on 9.4.2021
Selected format:standard forlighting design of buildings
Standard published on 8.9.2021
Selected format:Standard for daylighting design of buildings
Standard published on 8.9.2021
Selected format:Code for investigation of geotechnical engineering
Standard published on 8.9.2021
Selected format:Code for engineering surveying
Standard published on 8.9.2021
Selected format:Codes for accessibility design
Standard published on 8.9.2021
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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