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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
Safety code for builder""s hoist
Standard published on 26.3.2007
Selected format:Specification for electric lifts
Standard published on 7.9.2023
Selected format:Testing methods for electric lifts
Standard published on 27.11.2023
Selected format:Code for installation acceptance of electric lifts
Standard published on 7.9.2023
Selected format:Screen plants - Codification for designating perforations
Standard published on 18.7.2008
Selected format:Calculation of load capacity of bevel gear--Part 1:Introduction and general influence factors
Standard published on 25.11.2003
Selected format:Calculation of load capacity of bevel gear--Part 2:Calculation of surface durability(pitting)
Standard published on 25.11.2003
Selected format:Calculation of load capacity of bevel gear--Part 3:Calculation of tooth root strength
Standard published on 25.11.2003
Selected format:Simplified methods for the calculation of load capacity of involute cylindrical gears for general machines
Standard published on 10.12.1988
Selected format:Gassing of insulating liquids under electrical stress and ionization
Standard published on 3.12.2007
Selected format:Latest update: 2024-12-22 (Number of items: 2 217 000)
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