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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
Code for design of alumina refinery process
WITHDRAWN published on 24.1.2010
Selected format:Coal industry design code of repairing facilities for electro-mechanical equipment of mining district
WITHDRAWN published on 3.9.2009
Selected format:Code for design of district stations and chambers of coal mine
WITHDRAWN published on 3.9.2009
Selected format:Code for design of pit bottom of coal mine
WITHDRAWN published on 3.9.2009
Selected format:Code of engineering survey for oil-gas field
WITHDRAWN published on 30.11.2009
Selected format:Technical standard for anti-corrosion and insulation coating of buried steel pipeline
WITHDRAWN published on 3.11.2010
Selected format:Specifications of survey for oil and gas transportation pipeline engineering
WITHDRAWN published on 30.11.2009
Selected format:Seven-core connecting cable of motor vehicles and towed vehicles
WITHDRAWN published on 9.3.1985
Selected format:Road vehicles—Multi-core connecting cables—Part 1:Test methods and requirements for basic performance sheathed cables
WITHDRAWN published on 24.9.2008
Selected format:Road vehicles—Multi-core connecting cables—Part 2:Test methods and requirements for high performance sheathed cables
WITHDRAWN published on 24.9.2008
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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