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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
Safety regulations of belt conveyor
WITHDRAWN published on 27.12.1993
Selected format:Wheels side load fatigue test methods for tractors, agricultural and forestry machines
WITHDRAWN published on 27.12.1993
Selected format:Wheels torsion fatigue test methods for tractors, agricultural and forestry machines
WITHDRAWN published on 27.12.1993
Selected format:Fur—Yellow weasel skins
WITHDRAWN published on 2.12.1993
Selected format:Fur—Raccoon dog skins
WITHDRAWN published on 2.12.1993
Selected format:Fur—Raw mink skin
WITHDRAWN published on 2.12.1993
Selected format:Metallic powders—Determination of apparent density—Part 1:Funnel method
WITHDRAWN published on 17.1.1984
Selected format:Methods for the measurement and the assessment of human exposure to hand-transmitted vibration
WITHDRAWN published on 28.12.1993
Selected format:The terms of screw threads
WITHDRAWN published on 28.12.1993
Selected format:Assembling technical specifications for gas turbine
WITHDRAWN published on 28.12.1993
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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