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
Tyre coupling
Standard published on 28.3.2025
Selected format:Marks for urban public transport--Mark for subway
Standard published on 8.2.1986
Selected format:Dimensional chain--Methods of calculation
Standard published on 11.11.2004
Selected format:Blockboards and battenboards
Standard published on 13.10.2016
Selected format:Marine cast steel flanged stop check valves
Standard published on 4.8.2008
Selected format:Wood based panel machinery—General specifications of the hot press
Standard published on 15.3.2024
Selected format: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:Latest update: 2026-08-12 (Number of items: 2 292 463)
© Copyright 2026 NORMSERVIS s.r.o.