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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
Test methods for bare wires—Bend test—Reverse bend test
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Bend test—Single bend test
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Mandrel winding test
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Hardness test—Brinell hardness test
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Test for continuity of coating—Sodium polysulfide solution method
WITHDRAWN published on 31.1.1985
Selected format:Calcium base grease
WITHDRAWN published on 27.2.1987
Selected format:Tinned round copper wire
WITHDRAWN published on 31.1.1985
Selected format:Tinned round copper wire
WITHDRAWN published on 19.3.2009
Selected format:Emission standards for pollutants from iron and steel industry
WITHDRAWN published on 1.1.1985
Selected format:Emission standards for pollutants from light metal industry
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-02-06 (Number of items: 2 260 317)
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