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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
Unplasticized poly(vinyl chloride)(PVC-U) pipes for low-pressure conveyance in irrigation
Standard published on 7.9.2023
Selected format:Test method for damping capacity of metallic damping materials - Torsion pendulum method and Bending vibration
Standard published on 9.2.2007
Selected format:Type organization method of product for books and information articles
Standard published on 31.12.2013
Selected format:Steel bookshelves—Part 1: Bookshelf of single column and multi-column
Standard published on 11.9.2015
Selected format:Steel bookshelves—Part 2: Stacked bookshelf
Standard published on 29.12.2017
Selected format:Steel book shelvesPart 3: Manual dense bookshelf
Standard published on 31.12.2013
Selected format:Steel book shelvesPart 4: Electric dense bookshelf
Standard published on 31.12.2013
Selected format:General technical requirements for steel book cabinets and information cabinets
Standard published on 11.9.2015
Selected format:The limite of noise emitted by railbound locomotives
Standard published on 22.9.1992
Selected format:Electrochemical test method for crevice corrosion of stainless steel
Standard published on 25.4.2025
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 917)
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