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
Geometrical product specifications (GPS)—Dimensioning and tolerancing—Cones
Standard published on 30.5.2025
Selected format:The calculation and selection of cone interference fits
Standard published on 23.11.1995
Selected format:General purpose metric screw threads - Limits of sizes
Standard published on 30.7.2008
Selected format:Geometrical product specifications(GPS)--Surface imperfections--Termsdefinitions and parameters
Standard published on 15.7.2002
Selected format:Basic terminology of spline
Standard published on 27.9.2008
Selected format:Design and requirements for the body templates
Standard published on 6.8.2023
Selected format:Water quality for industrial boilers
Standard published on 14.5.2018
Selected format:Metal-cutting machine tools--General safeguarding specification
Standard published on 21.9.2004
Selected format:
Metal cutting machines—General specifications for safeguarding
Execute Date: august 2026
Standard published on 1.8.2025
Selected format:Design and construction rulesfor nuclear island systems of 2×600MW PWR nuclear power plants
Standard published on 8.12.1995
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
© Copyright 2026 NORMSERVIS s.r.o.