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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
Manganese-copper-nickel alloy sheets
WITHDRAWN published on 11.11.1980
Selected format:Information security technology - Public key infrastructure - Time stamp specification
WITHDRAWN published on 30.8.2006
Selected format:Agriculture and forest microclimate measuring instrument
WITHDRAWN published on 16.10.2006
Selected format:Ergonomic requirements for work with visual displays based on flat panels - Part 1: Introduction
WITHDRAWN published on 9.10.2006
Selected format:Ergonomics requirements for work with visual display based on flat panels - Part 2: Ergonomics requirements for flat panel displays
WITHDRAWN published on 6.5.2009
Selected format:Copper-nickel-zinc alloy sheet
WITHDRAWN published on 31.3.1989
Selected format:Standard of POS tag of contemporary Chinese for CIP
WITHDRAWN published on 18.9.2006
Selected format:Metadata for ecological data
WITHDRAWN published on 18.9.2006
Selected format:Electronic business eXtensible Markup Language(ebXML) business data and process - Part 1: Core component catalogue
WITHDRAWN published on 18.9.2006
Selected format:Electronic business eXtensible Markup Language (ebXML) business data and process—Part 2:Business information entity directory
WITHDRAWN published on 14.1.2011
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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