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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
Site validation method for microwave anechoic chamber
Standard published on 28.5.2024
Selected format:Switchgear and controlgear and their assemblies for low voltage—Environmental aspects
Standard published on 28.5.2024
Selected format:Nanotechnology—Determination of the uniformity of SERS solid substrate—Raman mapping analysis
Standard published on 28.5.2024
Selected format:Nanotechnologies—Test methods for measurement of electrical properties of carbon nanotubes
Standard published on 28.5.2024
Selected format:Transparent display devices—Part 41: Measuring methods—Optical performance
Standard published on 28.5.2024
Selected format:Determination of optical center distance in photoelectric system—Low coherence interferometry
Standard published on 28.5.2024
Selected format:Code for operation of solar power tower plant
Standard published on 28.5.2024
Selected format:Management specification of reliability, availability, maintainability and safety (RAMS) for nuclear power plants
Standard published on 28.5.2024
Selected format:Thermal runaway test for bypass diode applied in photovoltaic modules
Standard published on 28.5.2024
Selected format:Road vehicles—Coupling equipment between vehicles in multiple vehicle combinations—Strength requirements
Standard published on 28.5.2024
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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