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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
Micro-dose X-ray security inspection system—Part 2:Transmission baggage security inspection system
Standard published on 19.11.2018
Selected format:Micro-dose X-ray security inspection system—Part 3:Transmission cargo security inspection system
Standard published on 19.11.2018
Selected format:Micro-dose X-ray security inspection system—Part 4:Human body security inspection system
Standard published on 19.11.2018
Selected format:Micro-dose X-ray security inspection system—Part 5:Backscatter object security inspection system
Standard published on 19.11.2018
Selected format:Micro-dose X-ray security inspection system—Part 5:Backscatter object security inspection system
Standard published on 19.11.2018
Selected format:General specification for walk-through metal detector
Standard published on 19.11.2018
Selected format:General specifications for walk-through metal detector
Standard published on 19.11.2018
Selected format:Security alarm equipments—Environmental adaptability requirements and test methods
Standard published on 31.12.2013
Selected format:Application of connectors for broadcastand similar sound system
Standard published on 25.6.1994
Selected format:Medical electron accelerators—Functional performance characteristics and test methods
Standard published on 14.6.2016
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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