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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
The reuse of urban recycling water—Water quality standard for urban miscellaneous use
Standard published on 31.3.2020
Selected format:The reuse of urban recycling water—Water quality standard for scenic environment use
Standard published on 4.6.2019
Selected format:Methods of color specification for architecture
Standard published on 26.5.2008
Selected format:Wirebound boxes
Standard published on 14.5.2018
Selected format:Skid wooden boxes
Standard published on 24.2.2016
Selected format:Packaging containers - Wood members
Standard published on 18.7.2008
Selected format:Packaging container—Metal accessory
Standard published on 1.8.2025
Selected format:Spiral wrapping machine for pallet
Standard published on 20.12.2002
Selected format:Acceptance tests for combined-cycle power plants
Standard published on 31.12.2002
Selected format:Terminology for refractories
Standard published on 2.6.2020
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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