We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Method of type establishment for mechanical seals
Standard published on 29.9.2024
Selected format:Plain bearings--Shaft diameters for unsplit bushes
Standard published on 22.2.1989
Selected format:Plain bearings—Shaft diameters for unsplit bushes
Standard published on 31.10.2025
Selected format:Plain bearings - Ring type thrust washers - Dimensions and tolerances
Standard published on 25.8.2008
Selected format:Plain bearings - Pressed bimetallic half thrust washers - Features and tolerances
Standard published on 25.8.2008
Selected format:Flexible freight container
Standard published on 17.7.2000
Selected format:Packaging—Flexible intermediate bulk containers (FIBCs)for non-dangerous goods
Standard published on 29.8.2025
Selected format:General requirement of plastic self-cling wrap film for keeping food fresh
Standard published on 11.10.2021
Selected format:Buckwheat
Standard published on 4.11.2008
Selected format:Broad bean
Standard published on 4.11.2008
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
© Copyright 2026 NORMSERVIS s.r.o.