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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 environmental protection of iron and steel industry
WITHDRAWN published on 23.10.2007
Selected format:Code for design of sintering plant
WITHDRAWN published on 27.2.2007
Selected format:Code for design of rolling process of hot-rolled small section and bar mill
WITHDRAWN published on 27.2.2007
Selected format:Code for acceptance of energy efficient building construction
WITHDRAWN published on 16.1.2007
Selected format:Code of design on fire protection and prevention for iron & steel metallurgy enterprises
WITHDRAWN published on 13.4.2007
Selected format:Code for design of inclind shafts and chambers of coal mine
WITHDRAWN published on 21.5.2007
Selected format:Code for design of chambers around pit-bottom of coal mine
WITHDRAWN published on 21.5.2007
Selected format:Code for design of electric power supply of under the coal mine
WITHDRAWN published on 21.5.2007
Selected format:Code for design of prevention and elimination of thermal disaster in coal mines
WITHDRAWN published on 21.5.2007
Selected format:Code for design of roadway section and junction of coal mine
WITHDRAWN published on 1.1.2007
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
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