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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
Determination of yield of humic acids in coal
Standard published on 12.11.2001
Selected format:Unalloyed aluminium ingots for remelting
Standard published on 28.12.2023
Selected format:Test method for loss on heating of asphalt
Standard published on 13.2.2008
Selected format:Autoclaved aerated concrete blocks
Standard published on 29.9.2020
Selected format:Test methods of autoclaved aerated concrete
Standard published on 29.9.2020
Selected format:Graduation and test method of daylighting properties for external windows
Standard published on 15.5.2015
Selected format:Functions and dimensions series of bathrooms in housing
Standard published on 4.11.2008
Selected format:
Functions and dimensions series of bathrooms in housing
Execute Date: february 2026
Standard published on 5.10.2025
Selected format:Steel furring for building
Standard published on 26.10.2024
Selected format:Polyvinyl chloride floor coverings—Part 1: Heterogeneous polyvinyl chloride floor coverings
Standard published on 11.9.2015
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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