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
The general technical specifications for spurshaper cutters
Standard published on 20.7.2001
Selected format:The basic types and dimensions of gear hobs
Standard published on 24.2.2016
Selected format:Gear hobs—The general technical specification
Standard published on 24.2.2016
Selected format:Key type three-jaw drill chucks
Standard published on 10.11.2003
Selected format:Chemical reagent—General method for the determination of total nitrogen
Standard published on 7.6.2018
Selected format:Drill chuck tapers
Standard published on 15.10.1993
Selected format:Drill chuck tapers
Standard published on 10.11.2003
Selected format:Knife straight edge
Standard published on 11.7.2022
Selected format:Squares
Standard published on 21.5.2021
Selected format:Geometrical product specifications(GPS)--Length standards--Gauge blocks
Standard published on 20.7.2001
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
© Copyright 2026 NORMSERVIS s.r.o.