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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 construction of vertical cylindrical steel welded storage tanks
Standard published on 15.4.2014
Selected format:Standard for test method of basic mechanics properties of masonry
Standard published on 29.7.2011
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 1: General requirements
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 2Test methods
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 3Heat resistant silicone insulated cables
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 4Cords and flexible cables
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 5Lift cables
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 6Arc welding electrode cables
Standard published on 22.1.2008
Selected format:Rubber insulated cables of rated voltages up to and including 450/750V - Part 7Heat resistant ethylene-vinyl acetate rubber insulated cables
Standard published on 22.1.2008
Selected format:Rubber insulated cables - Rated voltages up to and including 450/750V - Part 8:Cords for applications requiring high flexibility
Standard published on 19.7.2013
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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