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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
Lignite wax--Determination of ash content
WITHDRAWN published on 8.4.1981
Selected format:Data interface for software of rapid prototyping
WITHDRAWN published on 1.12.2010
Selected format:Lignite wax--Determination of acid value and saponification value
WITHDRAWN published on 8.4.1981
Selected format:Road construction and road maintenance machinery and equipment - Asphalt hot recycling plant
WITHDRAWN published on 1.12.2010
Selected format:Road construction and road maintenance machinery and equipment - Road milling machine
WITHDRAWN published on 1.12.2010
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Determination of grindability index of coal(Hardgrove method)
WITHDRAWN published on 8.12.1998
Selected format:Bucket loader
WITHDRAWN published on 1.12.2010
Selected format:Determination of transmittance for low rank coal
WITHDRAWN published on 7.8.1995
Selected format:Parallel shank twist drills with carbide tips
WITHDRAWN published on 23.12.2010
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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