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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
Wheelchairs—Part 32: Test method for wheelchair castor assembly durability
Standard published on 31.12.2024
Selected format:Wheelchairs—Part 4:Energy consumption of electric wheelchairs and scooters for determination of theoretical distance range
Standard published on 31.12.2021
Selected format:Wheelchairs—Part 5:Determination of dimensions,mass and manoeuvring space
Standard published on 31.12.2021
Selected format:Wheelchairs—Part 6:Determination of maximum speed of electrically powered wheelchairs
Standard published on 23.8.2024
Selected format:Wheelchairs—Part 7:Measurement of seating and wheel dimensions
Standard published on 30.9.2009
Selected format:Wheelchairs—Part 8:Requirements and test methods for static,impact and fatigue strengths
Standard published on 29.6.2024
Selected format:Wheelchairs—Part 9:Climatic tests for electric wheelchairs
Standard published on 31.12.2021
Selected format:Limits and fits--Tolerance zones for holes and shafts size up to 18mm
Standard published on 6.3.2003
Selected format:Information technology—Chinese coded character set
Standard published on 19.7.2022
Selected format:Information technology—Generic specification for Chinese character input with digital keyboard
Standard published on 25.4.2016
Selected format:Latest update: 2026-09-09 (Number of items: 2 300 143)
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