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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
Cross recessed raised countersunk head drilling screws with tapping screw thread
Standard published on 5.12.2002
Selected format:Hexagon flange head drilling screws with tapping screw thread
Standard published on 5.12.2002
Selected format:Hexagon washer head drilling screws with tapping screw thread
Standard published on 23.5.2023
Selected format:General specification for audio/control heads of VHS video tape recorders
Standard published on 22.12.1995
Selected format:General specification for full track erasing heads of VHS video tape recorders
Standard published on 22.12.1995
Selected format:General specification for compact disc players
Standard published on 30.12.2011
Selected format:General specification of ion beam etching system
Standard published on 5.11.2012
Selected format:General specification of ion implantation equipment
Standard published on 5.11.2012
Selected format:VHS 12.65mm VTR’s calibration tapes
Standard published on 22.12.1995
Selected format:Shipborne radio equipment forming part of the (globalmaritime distress and safety system) and marine navigational equipment--General require-mentsmethods of testing and required test results
Standard published on 22.12.1995
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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