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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
Safety technical requirements for shaft cage hoisting signal system
WITHDRAWN published on 25.9.1996
Selected format:Safety technical requirements for cage
WITHDRAWN published on 25.9.1996
Selected format:Safety regulations for the explosion precautions of bituminous coal injection into blast furnace
WITHDRAWN published on 25.9.1996
Selected format:Spherical tank—Radiographic method of gamma ray panoramic exposure
WITHDRAWN published on 27.9.1996
Selected format:Corrosion of metals and alloys—Removal of corrosion products from corrosion test specimens
WITHDRAWN published on 27.9.1996
Selected format:Shaped refractory products—Packing, marking, transportation and storage
WITHDRAWN published on 27.9.1996
Selected format:Shaped refractory products-Packing,marking,transportation and storage
WITHDRAWN published on 27.9.1996
Selected format:Pyrometric reference cones for kilns use
WITHDRAWN published on 27.9.1996
Selected format:Code for the bio-safety disposal of carcasses and by-products from diseased livestock and poultry
WITHDRAWN published on 3.10.1996
Selected format:Biosafety specification on sick animal and animal product disposal
WITHDRAWN published on 4.9.2006
Selected format:Latest update: 2025-11-10 (Number of items: 2 243 715)
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