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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
Test method for flatwise tension strength of sandwich constructions
Standard published on 15.3.2018
Selected format:Determination of the residual styrene monomer content as well as the content of other volatile aromatic hydrocarbons in the unsaturated polyester resin-based reinforced plastics—Gas chromatography
Standard published on 29.8.2025
Selected format:Terms of continuous handling equipment
Standard published on 10.12.2015
Selected format:Artificial weathering test method for plastics,coating and rubber materials used for machinery industrial products - Fluorescent UV lamps
Standard published on 16.6.2008
Selected format:Reaction to fire tests - Ignitability of building products using a radiant heat source
Standard published on 21.12.2007
Selected format:General specification for corrugated metal hose assemblies
Standard published on 10.1.2011
Selected format:Compound dampling isolator and compound damper
Standard published on 20.8.2021
Selected format:Principle for categories and grades of nature reserves
Standard published on 28.7.1993
Selected format:Test method for flatwise compression properties of sandwich constructions or cores
Standard published on 15.4.2022
Selected format:Office furniture—Tables, chairs and stools for reading
Standard published on 29.12.2017
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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