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
CNC hydraulic punching and drilling composite machine for plates
WITHDRAWN published on 12.5.2017
Selected format:Test method for diameter and equivalent diameter of carbon fiber by microscopy
WITHDRAWN published on 28.12.1982
Selected format:Non-destructive testing—Test methods for leak detection by means of acoustic emission
WITHDRAWN published on 12.5.2017
Selected format:NC press brake—Testing of the accuracy
WITHDRAWN published on 12.5.2017
Selected format:Test method for void contentof carbon fiber reinforced plastics by microscopy
WITHDRAWN published on 28.12.1982
Selected format:Technical requirement of energy consumption evaluation for cement manufacturing
WITHDRAWN published on 12.5.2017
Selected format:Technical regulation of energy consumption test for cement manufacturing
WITHDRAWN published on 12.5.2017
Selected format:Energy consumption test and calculation method for oilfield production system
WITHDRAWN published on 12.5.2017
Selected format:Thermal comfort requirements and evaluation for indoor environment
WITHDRAWN published on 12.5.2017
Selected format:Test method for volume content of fiber of carbon fiber reinforced plastics by microscopy
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-07-17 (Number of items: 2 288 561)
© Copyright 2026 NORMSERVIS s.r.o.