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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
Standard for appraisal of reliability of chimneys
Standard published on 1.1.2014
Selected format:Technical code for orticultural plastic tunnel engineering
Standard published on 22.5.2015
Selected format:Code for design of psychiatric hospital
Standard published on 1.1.2014
Selected format:Code for construction and acceptance of nonferrous metals processing mechanical installation engineering
Standard published on 1.1.2014
Selected format:Straight cylindrical involute splines - Gauge
Standard published on 31.12.2012
Selected format:Code for exploration of hydrogeology in nonferrous metal mines
Standard published on 1.1.2014
Selected format:Code for grid identification system
Standard published on 1.1.2014
Selected format:Code for construction of coal mine equipment installation engineering
Standard published on 1.1.2014
Selected format:Technical code for large and medium-scale biogas engineering
Standard published on 1.1.2014
Selected format:Technical code for ground treatment of hydraulic fill
Standard published on 8.3.2015
Selected format:Latest update: 2026-07-03 (Number of items: 2 286 013)
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