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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
Petroleum and natural gas industries—Threading, gauging and thread inspection of casing, tubing, and line pipe threads
Standard published on 30.12.2022
Selected format:Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 1:Emission requirements
Standard published on 31.12.2021
Selected format:Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 2:Immunity requirements
Standard published on 31.12.2021
Selected format:Coated abrasives—Determination and designation of grain size distribution—Part 2:Macrogrit sizes P12 to P220
Standard published on 1.8.2025
Selected format:Coated abrasives—Determination and designation of grain size distribution—Part 3: Microgrit sizes P240 to P5000
Standard published on 1.8.2025
Selected format:Boottopping paint for ship
Standard published on 4.6.2008
Selected format:Deck paint
Standard published on 14.5.2008
Selected format:Cargo hold paint for ship
Standard published on 4.6.2008
Selected format:Determination of slip resistance of anti-skid coatings
Standard published on 19.11.2020
Selected format:Paints and varnishes - Evaluation of sag resistance
Standard published on 31.12.2012
Selected format:Latest update: 2026-11-03 (Number of items: 2 209 039)
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