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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
Micrometer for measuring pipe wall thicknesses
Standard published on 11.7.2022
Selected format:Pointed-contact micrometer with conical tips
Standard published on 14.5.2018
Selected format:Internal micrometer with three-point contact
Standard published on 14.5.2018
Selected format:Vernierdial and digital display universal bevel protractors
Standard published on 31.10.2025
Selected format:Vernier, dial and digital indicating gear tooth callipers
Standard published on 2.2.2008
Selected format:Chemical reagent - Disodium tetraborate decahydrate
Standard published on 15.5.2008
Selected format:Mechanical dial comparators
Standard published on 28.2.2008
Selected format:Spring-optical measuring heads
Standard published on 10.2.2004
Selected format:Controllability and stability test procedure for automotive
Standard published on 19.2.2014
Selected format:Test method of organic chemical products--Part 1:Water miscibility test of liquid organic chemical products
Standard published on 15.3.2004
Selected format:Latest update: 2026-06-22 (Number of items: 2 284 351)
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