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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
Thermoplastics pipes—Determination of pendulum impact strength by the Charpy method—Part 2: Test condition for pipes of various materials
Standard published on 15.4.2022
Selected format:Geosynthetics--Plastic three dimensional erosion control mat
Standard published on 29.5.2002
Selected format:Product of geographical indicationWuyi rock-essence tea
Standard published on 18.7.2006
Selected format:
Quality requirements for product of geographical indication—Wuyi rock-essence tea
Execute Date: april 2027
Standard published on 31.3.2026
Selected format:Zipper terminology
Standard published on 31.12.2015
Selected format:The determination of torque strength of anaerobic adhesives (Threaded fasteners)
Standard published on 29.5.2002
Selected format:The determination of shear strength of anaerobic adhesives using pin-and-collar specimens
Standard published on 29.5.2002
Selected format:Specification for chemical-resistant ceramic tower packings
Standard published on 10.12.2019
Selected format:Phosphate rock and concentrate--Determination of loss on ignition--Gravimetric method
Standard published on 20.12.1995
Selected format:Municipal solid waste incinerator and heat recovery boiler
Standard published on 30.12.2022
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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