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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
Specific environmental condition—Electric and electronic products for plateau—Part 3:Protection requirement of lightning, pollution, condensation
WITHDRAWN published on 9.11.2006
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WITHDRAWN published on 1.1.1980
Selected format:Special environment condition—Technical requirements of high-voltage apparatuses for plateau
WITHDRAWN published on 8.11.2006
Selected format:Electrical installations in ships - Shipboard power cables - General construction and test requirements
WITHDRAWN published on 8.11.2006
Selected format:General specification for stepping motors
WITHDRAWN published on 8.11.2006
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WITHDRAWN published on 1.1.1980
Selected format:Empty enclosures for low-voltage switchgear and control gear assemblies—General requirements
WITHDRAWN published on 8.11.2006
Selected format:Empty enclosures for Low-voltage switchgear and controlgear assembliesGeneral requirements
WITHDRAWN published on 22.12.2014
Selected format:Special environmental condition - Environmental test method - Part 1: General and guidance
WITHDRAWN published on 8.11.2006
Selected format:Specific environment condition - Environmental test methods - Part2 Artificial environment test method and guidance - Electric and electronic products(including communication products)
WITHDRAWN published on 24.4.2008
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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