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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
Feed additive—Vitamin D3 beadlets
WITHDRAWN published on 9.6.2006
Selected format:Feed additive—Vitamin B12 powder (cyanocobalamin cobione)
WITHDRAWN published on 20.9.1988
Selected format:Specifications for urea reactor
WITHDRAWN published on 12.9.1988
Selected format:Specification for urea reactor
WITHDRAWN published on 9.6.2004
Selected format:Specifications for H · P urea scrubber
WITHDRAWN published on 12.9.1988
Selected format:Manufacture specification of the diaphragm cell with metal anodes
WITHDRAWN published on 1.1.1988
Selected format:Steel vessels with mechanical agitating devices--Types and main parameters
WITHDRAWN published on 1.1.1988
Selected format:Plywood--Classification
WITHDRAWN published on 20.9.1988
Selected format:Plywood—Part 1:Classification
WITHDRAWN published on 22.6.2004
Selected format:Plywood--Determination of dimensions of test specimens
WITHDRAWN published on 20.9.1988
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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