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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
Technical guidelines for identification and assessment of environmental damage—Ecosystem —Part 1Farmland ecosystem
Standard published on 25.3.2024
Selected format:Test methods for determining the immobilization ratio of chloride in cement
Standard published on 25.4.2024
Selected format:Test method for upper and lower limit annealing temperatures of ultra-thin glass
Standard published on 25.4.2024
Selected format:Test method for compressive properties of glass materials and products
Standard published on 25.4.2024
Selected format:Determination method of total chromium in cement raw materials
Standard published on 25.4.2024
Selected format:Test method for viscosity of cement paste
Standard published on 25.4.2024
Selected format:Iron ores—Method for determination of assimilation performance
Standard published on 25.4.2024
Selected format:Pick for rotary drilling rig
Standard published on 25.4.2024
Selected format:Service-oriented manufacturing—General terminology
Standard published on 15.3.2024
Selected format:Types of open-end wrenches, box wrenches and combination wrenches
Standard published on 30.12.2008
Selected format:Latest update: 2026-09-10 (Number of items: 2 300 145)
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