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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
General specification of equipments for transportable satellite communication earth station
Standard published on 6.12.1994
Selected format:Potentiometers for use in electronicequipment--Part 1:Generic specification
Standard published on 6.12.1994
Selected format:Potentiometers for use in electronic equipment--Part 2:Sectional specification--Lead-screw actuated and rotary preset potentiometers
Standard published on 6.12.1994
Selected format:Coniferous sawn timber
Standard published on 30.8.2019
Selected format:Information technology—Biometrics—Characterization and measurement of difficulty for fingerprint databases for technology evaluation
Standard published on 3.12.2025
Selected format:Potentiometers for use in electronic equipment--Part 2:Blank detail specification--Lead-screw actuated and rotary preset potentiometers--Assessmentlevel E
Standard published on 6.12.1994
Selected format:General specification for gas lasers
Standard published on 7.12.1994
Selected format:Global maritime distress and safety system(GMDSS)--Technical requirement for marine telecommunication equipment
Standard published on 20.12.1994
Selected format:Coated abrasives-Plain sheets
Standard published on 18.5.2005
Selected format:Coated abrasives - Abrasive rolls
Standard published on 3.6.2008
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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