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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 municipal wastewater reclamation and reuse
Standard published on 18.8.2016
Selected format:Code of design for guilding reclaimed water system
Standard published on 10.7.2018
Selected format:Code for planning of urban environmental sanitation facilities
Standard published on 1.11.2018
Selected format:Code of design for fixed fire monitor extinguishing systems
Standard published on 15.4.2003
Selected format:code for acceptance of quality of intelligent building systems
Standard published on 26.6.2013
Selected format:Code for design of vertical cylindrical welded steel oil tanks
Standard published on 29.5.2014
Selected format:Technical code for concrete structure of TV tower
Standard published on 5.11.2003
Selected format:Technical code for protection of building electronic information system against lightning
Standard published on 11.6.2012
Selected format:Technical standard for inspection of building structure
Standard published on 22.11.2019
Selected format:Latest update: 2026-10-27 (Number of items: 2 208 060)
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