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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
Quality requirements for fusion welding of metallic materials - Part 5: Standard documents need to conform to claim conformity to the quality requirements
Standard published on 30.10.2009
Selected format:Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels
Standard published on 15.3.2018
Selected format:Geometrical product specificationsGPS) - Wooden part - Limit and fit
Standard published on 16.3.2009
Selected format:Geometrical Product Specifications(GPS)--Surface texture:Profile method--Surface roughness parameters and their values for wooden pieces
Standard published on 6.3.2003
Selected format:Method of test for explosion limits of combustible gases in air
Standard published on 26.6.2008
Selected format:Antitoxic regulations for storage-transportation,marketing and use of pesticides
Standard published on 22.6.2006
Selected format:TextilesTests for colour fastnessColour fastness to domestic and commercial laundering
Standard published on 3.9.2014
Selected format:White oil for food-machinery
Standard published on 4.10.1990
Selected format:
White oil for food-machinery
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Test methods of wooden activated carbon--Determination of apparent density
Standard published on 10.11.1999
Selected format:Latest update: 2026-03-25 (Number of items: 2 269 413)
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