We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Magnesium alloy die castings
WITHDRAWN published on 23.12.2010
Selected format:Test method for resistance of glass fiber reinforced plastics to water
WITHDRAWN published on 31.3.1989
Selected format:Vacuum technology—Roots vacuum pump—Measurement of performance characteristics—Part 1:Measurement of maximum tolerable differential pressure
WITHDRAWN published on 23.12.2010
Selected format:Vacuum technology—Roots vacuum pump—Measurement of performance characteristics—Part 2:Measurement of compression ratio of the zero throughput
WITHDRAWN published on 23.12.2010
Selected format:Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure
WITHDRAWN published on 21.11.2011
Selected format:Test method for insoluble matter content of resin used in fiber reinforced plastics
WITHDRAWN published on 31.3.1989
Selected format:Rolling bearings - Tapered rollers
WITHDRAWN published on 23.12.2010
Selected format:Test method for resin content of glass fiber reinforced plastics
WITHDRAWN published on 31.3.1989
Selected format:Rolling bearings—Bearings for railway wagon
WITHDRAWN published on 23.12.2010
Selected format:Test methods for welding consumables—Part 1:Preparation and testing of deposited metal specimens for mechanical properties in steel,nickel and nickel alloys
WITHDRAWN published on 23.12.2010
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
© Copyright 2026 NORMSERVIS s.r.o.