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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
Agricultural engineering—Electrical and electronic equipment—Testing resistance to environmental conditions
WITHDRAWN published on 10.11.2010
Selected format:Agricultural machinery - Rotary and flail mower - Thrown-object test and acceptance criteria
WITHDRAWN published on 10.11.2010
Selected format:Agricultural trailers and trailed equipment—Braking cylinders—Specifications
WITHDRAWN published on 10.11.2010
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1987
Selected format:Semi refined paraffin wax
WITHDRAWN published on 23.1.1987
Selected format:Semi-refined paraffin wax
WITHDRAWN published on 17.6.1998
Selected format:Semi-refined paraffin wax
WITHDRAWN published on 2.9.2010
Selected format:Semi-refined paraffin wax
WITHDRAWN published on 2.9.2010
Selected format:Petroleum products—Determination of density—Pyknometer method
WITHDRAWN published on 25.3.1981
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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