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Standards GB - Chinese national standards - Page 4925
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
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GB 51415-2020
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Technical standard for waste gas control of non-ferrous smelting
Standard published on 16.1.2020
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GB/T 51416-2020
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Technical standard for concrete dam safety monitoring
Standard published on 16.1.2020
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GB/T 51417-2020
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Technical standard for joint construction and sharing of telecommunication steel tower
Standard published on 16.1.2020
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GB 51418-2020
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Standard for design of general radar station
Standard published on 16.1.2020
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GB/T 51419-2020
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Standard for design of wireless local area network engineering
Standard published on 16.1.2020
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GB/T 51420-2020
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Standard for commissioning and acceptance of smart substation
Standard published on 16.1.2020
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GB/T 51421-2020
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Technical standard of communication pole line engineering for aerial optical(copper)cable
Standard published on 16.1.2020
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GB/T 51422-2021
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(Technical Standards for Testing, Appraisal and Reinforcement of Building Metal Sheet Enclosure System)
Standard published on 9.4.2021
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GB 51423-2020
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Standard for generallayout design of ammunition plant
Standard published on 27.2.2020
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