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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 drawings - Item lists
Standard published on 30.11.2009
Selected format:Technical drawings - Folding on documents
Standard published on 30.11.2009
Selected format:Technical drawings - Requirements for microcopying
Standard published on 30.11.2009
Selected format:Geometrical product specifications(GPS) - Surface textureProfile method - Rules and procedures for the assessment of surface texture
Standard published on 16.3.2009
Selected format:Industrial screens--Designation and nominal sizes of apertures
Standard published on 10.11.2003
Selected format:Industrial plate screens--Thickness below 3 mm--Round and square holes
Standard published on 10.11.2003
Selected format:Industrial plate screens--Thickness of 3 mm and above--Round and square holes
Standard published on 10.11.2003
Selected format:Resilient coupling with core element
Standard published on 27.9.2008
Selected format:Food additive—Sucrose fatly acid ester (method of propylene glycol)
Standard published on 30.6.2005
Selected format:Metallic material - Mechanical testing - Vocabulary
Standard published on 13.5.2008
Selected format:Latest update: 2025-08-20 (Number of items: 2 213 083)
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