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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
The test method for evaluating the performance of internal combustion engine oil (Caterpillar 1G2 method)
Standard published on 20.9.1988
Selected format:The determination and calculation procedure of the heat balance of mechanized lime vertical kiln
Standard published on 20.9.1988
Selected format:
Determination and calculation procedure of the heat balance of lime kiln
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:Dentistry—Vocabulary
Standard published on 14.12.2020
Selected format:Dentistry - Designation system for teeth and areas of the oral cavity
Standard published on 10.10.2013
Selected format:High-speed tool steels
Standard published on 1.8.2025
Selected format:Stainless-steel wire ropes
Standard published on 29.8.2025
Selected format:Hot-rolled bulb flats
Standard published on 30.6.2025
Selected format:Seamless steel tubes and pipes for petrochemical and chemical facilities
Standard published on 30.6.2025
Selected format:Information technology - Data communication - 37-pole DTE/DCE interface connector and contact number assignments
Standard published on 28.7.2008
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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