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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
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WITHDRAWN published on 1.1.1986
Selected format:Technical specifications of four-jaw independent chucks
WITHDRAWN published on 1.3.1986
Selected format:Method of pulse input running test-Automobile ride comfort
WITHDRAWN published on 5.3.1986
Selected format:Gear oils for industrial enclosed gear drives
WITHDRAWN published on 12.6.1995
Selected format:Lubricants for light duty rotary oil-flooded air compressor
WITHDRAWN published on 3.3.1986
Selected format:Cranes—Test code and procedures
WITHDRAWN published on 3.3.1986
Selected format:Cranes—Test code and procedures
WITHDRAWN published on 30.12.2011
Selected format:Roentgeno-diagnosis of pneumoconioses
WITHDRAWN published on 16.6.1997
Selected format:Fundamental terminology of fire protection—Part 1
WITHDRAWN published on 3.3.1986
Selected format:The quenching ability of flame arresters and its test method for petroleum tanks
WITHDRAWN published on 3.3.1986
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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