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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
Lifts—Main specifications and the dimensions, arrangements for its cars, wells and machine rooms—Part 2:Lifts of class
WITHDRAWN published on 16.10.1997
Selected format:Directives for the work of standardization--Rules for drafting standards of information classifying and coding
WITHDRAWN published on 1.1.1986
Selected format:Directives for the work of standardization--The basic principles and methods for information classifying and coding
WITHDRAWN published on 25.11.1986
Selected format:Test method of charge air coolers for marine diesel engines
WITHDRAWN published on 25.11.1986
Selected format:Eye plates for ship
WITHDRAWN published on 1.1.1986
Selected format:Eye rings for ship
WITHDRAWN published on 1.1.1986
Selected format:Vehicle vibration—Describing method for road surface irregularity
WITHDRAWN published on 25.11.1986
Selected format:Mechanical vibration-Road surface profiles-Reporting of measured data
WITHDRAWN published on 11.7.2005
Selected format:Method of bend test for T type fillet welded joint
WITHDRAWN published on 29.11.1986
Selected format:Safety technical requirements for surface planer with fingercap and hood cover
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-06-18 (Number of items: 2 283 376)
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