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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
Metal-oxide surge arresters without gaps for a.c. systems
WITHDRAWN published on 2.9.2010
Selected format:Basic technical requirements for power cable accessories with rated voltages up to 26/35kV--General
WITHDRAWN published on 1.1.1989
Selected format:Basic technical requirements for power cable accessories with voltages up to 26/35kV--Power cable terminations
WITHDRAWN published on 1.1.1989
Selected format:Basic technical requirements for power cable accessories with rated voltages up to 26/35kV--Power cable joints
WITHDRAWN published on 1.1.1989
Selected format:Marine electric reciprocating pump
WITHDRAWN published on 25.11.1988
Selected format:Marine electric two spindle screw pump
WITHDRAWN published on 31.3.1989
Selected format:Oily water separating equipment--Sheathed electric heater specification
WITHDRAWN published on 1.1.1989
Selected format:Test methods for strength and tightness of marine auxiliary boiler and pressure vessel
WITHDRAWN published on 16.3.2000
Selected format:Welding specifications for pressure parts of marine auxiliary boiler and pressure vessel
WITHDRAWN published on 16.3.2000
Selected format:Textiles—Test for color fastness to nitrogen oxides
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-03-03 (Number of items: 2 264 974)
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