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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
Road vehicles—Brake lining friction materials—Metal pick up test method for disc brake linings
Standard published on 2.12.2025
Selected format:Metallic and other inorganic coatings—Determination of thermal conductivity of thermal barrier coatings
Standard published on 2.12.2025
Selected format:Metallic and other inorganic coatings—Simultaneous thickness and electrodepotential determination of individual layers in multilayer nickel deposits(STEP test)
Standard published on 2.12.2025
Selected format:Greenhouse gas management system—Implementation guidance for building materials enterprises
Standard published on 2.12.2025
Selected format:Wind energy generation systems—Technical requirements for offshore wind turbine environmental monitoring
Standard published on 2.12.2025
Selected format:Wind energy generation systems—Desert and gobi wind turbines
Standard published on 2.12.2025
Selected format:Metallographic test for zinc alloy die castings
Standard published on 2.12.2025
Selected format:Self-propelled machinery for forestry—Operator protective structures(OPS)—Laboratory tests and performance requirements
Standard published on 2.12.2025
Selected format:Environmental acceptance requirements for tin whisker susceptibility of tin and tin alloy surface finishes on semiconductor devices
Standard published on 2.12.2025
Selected format:Semiconductor devices—Mobile ion tests for metal-oxide semiconductor field effect transistors (MOSFETs)
Standard published on 2.12.2025
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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