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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
Corrosion of metals and alloys—Accelerated test method for soil corrosion
Standard published on 29.8.2025
Selected format:Inshell hazelnuts and kernels
Standard published on 5.10.2025
Selected format:Measurement and calculation method of thermal equilibrium and thermal efficiency of domestic ceramics electric-heated kiln
Standard published on 29.8.2025
Selected format:Electronic gas—Noble gas
Standard published on 5.10.2025
Selected format:Space environment—General requirements for space environmental effectsimulation tests of aerospace electronic components
Standard published on 5.10.2025
Selected format:General requirements for the construction and application management of intelligent management system for nuclear power projects
Standard published on 5.10.2025
Selected format:Reliability test methods of power module in voltage sourced converter (VSC) valves
Standard published on 5.10.2025
Selected format:Polarizer for organic light emitting displays
Standard published on 5.10.2025
Selected format:Electronic grade tetrakisdimethylamidetitanium
Standard published on 5.10.2025
Selected format:Space environment—Meteoroid models
Standard published on 5.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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