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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
Land mobile communication system requirements using multi-channel access techniques without a central controller
Standard published on 29.6.2007
Selected format:Classification and codes for forestry resources--Tree diseases
Standard published on 12.8.1994
Selected format:Technical regulation for afforestation by aerial sowing
Standard published on 28.12.2018
Selected format:Technical regulations for setting apart hills including sand area for tree growing
Standard published on 28.12.2018
Selected format:Terminology for railway station and terminal
Standard published on 12.8.1994
Selected format:High-voltage alternating-current fuses—Part 1:Terminology
Standard published on 4.6.2019
Selected format:High-voltage alternating-current fuses—Part 2: Current-limiting fuses
Standard published on 7.9.2023
Selected format:High-voltage alternating-current fuses—Part 3: Expulsion fuses
Standard published on 17.3.2023
Selected format:High-voltage alternating-current fuses—Part 4Fuse for exteanal protection of shunt capacitors
Standard published on 31.12.2021
Selected format:High-voltage alternating-current fuse—Part 5:Application directives for high-voltage fuse-links for motor circuit
Standard published on 30.12.2022
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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