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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
Design code for heating ventilation and air conditioning of industrial buildings
Standard published on 11.5.2015
Selected format:Code for investigation of geotechnical engineering
Standard published on 10.1.2002
Selected format:Standard for seismic appraisal of buildings
Standard published on 5.6.2009
Selected format:Code for building construction in collapsible loess regions
Standard published on 1.1.2018
Selected format:Code for engineering surveying
Standard published on 10.11.2020
Selected format:Standard for hydrogeological investigation of water-supply
Standard published on 1.1.2024
Selected format:Code for design of city gas engineering
Standard published on 12.7.2006
Selected format:Code for design of compressed air station
Standard published on 9.1.2014
Selected format:Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics
Standard published on 23.5.2023
Selected format:Code for design of oxygen station
Standard published on 1.1.2013
Selected format:Latest update: 2026-10-30 (Number of items: 2 208 138)
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