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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 measurement of suspended load in open channels
Standard published on 26.6.2015
Selected format:Fire prevention code of petrochemical enterprise design
Standard published on 1.1.2008
Selected format:Safety code for design of engineering of fireworks and firecraxker
Standard published on 1.1.2022
Selected format:Drawing standards of road--engineering
Standard published on 19.9.1992
Selected format:Standard for quality control of concrete
Standard published on 2.4.2011
Selected format:Technical code for maintenance and strengthing of ancient timber buildings
Standard published on 16.1.2020
Selected format:Code for installation and acceptance of fire alarm system
Standard published on 22.11.2019
Selected format:Code for engineering photogrammetry
Standard published on 13.7.2014
Selected format:Code for construction and acceptance of cable system electric equipment installation engineering
Standard published on 8.11.2018
Selected format:Latest update: 2026-08-17 (Number of items: 2 297 400)
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