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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
Discharge lamps (excluding fluorescent lamps) for horticulture lighting—Performance specifications
Standard published on 31.10.2025
Selected format:Natural gas screw expander unit
Standard published on 31.10.2025
Selected format:Binary power generation systems with capacity less than 100 kW—Performance test methods
Standard published on 31.10.2025
Selected format:Estimation method of weighted absorbed dose from acute exposure
Standard published on 31.10.2025
Selected format:Methods of determination of the geometrical characteristics of electrical steel strip and sheet
Standard published on 31.10.2025
Selected format:Technical specification for lightning protection of radar stations
Standard published on 31.10.2025
Selected format:Magnetizing method of permanent magnet
Standard published on 2.12.2025
Selected format:Guidance on quantifying greenhouse gas emission reductions for electrical and electronic products and systems
Standard published on 31.10.2025
Selected format:Evaluation specifications of intelligent manufacturing system solution suppliers
Standard published on 31.10.2025
Selected format:Test method for powertrain system power of hybrid electric vehicles and pure electric vehicles having more than one propulsion electric machine
Standard published on 31.10.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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