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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
Sintered metal bushes determination of radial crushing strength
WITHDRAWN published on 28.8.1986
Selected format:Sintered metal bushes—Determination of radial crushing strength
WITHDRAWN published on 9.4.2002
Selected format:Broach sharpening machines-parameters
WITHDRAWN published on 1.1.1986
Selected format:Specification for phosphate treatment of iron and steel parts before painting
WITHDRAWN published on 1.1.1986
Selected format:Anodizing of aluminium and its alloys—Accelerated test of light fastness of coloured anodic oxide coatings using artificial light
WITHDRAWN published on 28.8.1986
Selected format:Reciprocating internal combustion engines--Terms and definitions of engine components--Part: Structure and external covers
WITHDRAWN published on 28.8.1986
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 1:Structure and external covers
WITHDRAWN published on 25.11.2003
Selected format:Reciprocating internal combustion engines--Vocabulary of components and systems--Valvescamshaft drive and actuating mechanisms
WITHDRAWN published on 25.6.1988
Selected format:Reciprocating internal combustion engines—Vocabulary of components and systems—Part 2:Valves,camshaft drive and actuating mechanisms
WITHDRAWN published on 7.2.2006
Selected format:Reciprocating internal combustionengines--Terminology of components--Main running gear
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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