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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
Environmental management—Quantitative environmental information—Guidelines and examples
Execute Date: november 2026
Standard published on 30.7.2026
Selected format:
Phase comparator used with high-voltage detecting and indicating system
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Classification of environmental conditions—Classification of groups of environmental parameters and their severities Part1:—Storage
Standard published on 30.8.2019
Selected format:Environmental conditions existing in the application of electric and electronic products - Guidance
Standard published on 19.12.2006
Selected format:Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 11: Drawing the distribution map of environmental severities
Standard published on 23.8.2024
Selected format:Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 2:Transportation and handling
Standard published on 21.5.2021
Selected format:Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 3: Stationary use at weatherprotected locations
Standard published on 23.5.2023
Selected format:Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 4: Stationary use at non-weatherprotected locations
Standard published on 23.5.2023
Selected format:Environmental conditions existing in the application of electric and electronic products - Section 5: Ground vehicle installations
Standard published on 13.7.2007
Selected format:Classification of environmental conditions - Classification of groups of environmental parameters and their severities - Ship evironment
Standard published on 5.11.2012
Selected format:Latest update: 2026-11-02 (Number of items: 2 209 038)
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