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
Steel cord conveyor belts—Part 1:Design,dimensions and mechanical requirements for conveyor belts for general use
WITHDRAWN published on 11.5.2012
Selected format:Steel cord conveyor belts—Part 2Preferred belt types
WITHDRAWN published on 31.12.2015
Selected format:Steel cord conveyor belts—Part 3:Special safety requirementsfor belts for use in underground installations
WITHDRAWN published on 31.12.2015
Selected format:Sampling procedures and tables for lot-by-lot inspection by attributes (Apply to inspection of successive lots or batches)
WITHDRAWN published on 1.12.1987
Selected format:Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
WITHDRAWN published on 15.9.2003
Selected format:Plain bearings—Quality characteristics—Calculation of machine and process capabilities
WITHDRAWN published on 11.5.2012
Selected format:Terminology for oxygen system of airplane
WITHDRAWN published on 11.5.2012
Selected format:General requirements of industrial explosive
WITHDRAWN published on 11.5.2012
Selected format:Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of stability for productive process)
WITHDRAWN published on 1.1.1987
Selected format:General specification of superalloy tubes
WITHDRAWN published on 11.5.2012
Selected format:Latest update: 2026-03-20 (Number of items: 2 268 518)
© Copyright 2026 NORMSERVIS s.r.o.