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
Heavy-duty cranked-link transmission roller chains and chain wheels
Standard published on 4.7.1997
Selected format:Rolling bearings—Self-aligning thrust roller bearings—Boundary dimensions
Standard published on 17.3.2023
Selected format:Marine cast steel flanged check valves
Standard published on 3.7.2015
Selected format:Hydraulic fluid power--Quick action couplings--Dimensions and requirements
Standard published on 10.11.2003
Selected format:-
Standard published on 17.2.1986
Selected format:Hydraulic fluid power--Quick action couplings--Test methods
Standard published on 10.11.2003
Selected format:Agricultural tractors and machinery—General purpose quick-action hydraulic couplers
Standard published on 19.11.2020
Selected format:Aids to navigation on inland waterways
Standard published on 29.12.2022
Selected format:Rolling bearingsMounting dimensions
Standard published on 31.10.2025
Selected format:Lifejacket lights
Standard published on 29.8.2025
Selected format:Latest update: 2026-06-25 (Number of items: 2 284 379)
© Copyright 2026 NORMSERVIS s.r.o.