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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
Parents fish of black carp, grass carp, silver carp and bighead carp
WITHDRAWN published on 16.6.1997
Selected format:Code for quality acceptance of palletzing mechanical equipment installation engineering
WITHDRAWN published on 31.5.2010
Selected format:Design document preparation standard of mine construction project in coal industry
WITHDRAWN published on 31.5.2010
Selected format:Code for design of environmental protection of cement plant
WITHDRAWN published on 31.5.2010
Selected format:Code for design of environmental protection of glass plant
WITHDRAWN published on 31.5.2010
Selected format:Steel--Determination of critical point--Dilatometric method
WITHDRAWN published on 1.1.1985
Selected format:Code for equipment installing and acceptance of building material industry
WITHDRAWN published on 31.5.2010
Selected format:Code for basic terms of coal mine construction engineering
WITHDRAWN published on 31.5.2010
Selected format:Technical code for shell structure of ironmaking furnace
WITHDRAWN published on 31.5.2010
Selected format:Code for and gas field and pipeline investigation of geotechnical engineering
WITHDRAWN published on 31.5.2010
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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