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
Pressure piping code—Industrial piping—Part 1:General
WITHDRAWN published on 30.12.2006
Selected format:Pressure piping code—Industrial piping—Part 2:Materials
WITHDRAWN published on 30.12.2006
Selected format:Pressure piping code—Industrial piping—Part 3:Design and calculation
WITHDRAWN published on 30.12.2006
Selected format:Pressure piping code—Industrial piping—Part 4:Fabrication and assembly
WITHDRAWN published on 30.12.2006
Selected format:Pressure piping code—Industrial piping—Part 5:Inspection and testing
WITHDRAWN published on 30.12.2006
Selected format:Pressure piping code—Industrial piping—Part 6:Safeguarding
WITHDRAWN published on 30.12.2006
Selected format:Feed additive—Cupric methionine
WITHDRAWN published on 20.12.2006
Selected format:Determination of neutral detergent fiber in feedstuffs
WITHDRAWN published on 20.12.2006
Selected format:Toweling paper (including wet wipes)
WITHDRAWN published on 1.12.2006
Selected format:Facial tissue
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2025-12-29 (Number of items: 2 253 390)
© Copyright 2025 NORMSERVIS s.r.o.