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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
(Structural drawings)
WITHDRAWN published on 1.1.1987
Selected format:Sodium sulfide for industrial use
WITHDRAWN published on 31.7.2000
Selected format:Carbendazim technical
WITHDRAWN published on 27.10.2000
Selected format:40% Carbendazim aqueous suspension concentrates
WITHDRAWN published on 1.1.1989
Selected format:Manganese carbonate for soft ferrite
WITHDRAWN published on 1.1.1989
Selected format:Molecular sieve 3A
WITHDRAWN published on 22.3.1989
Selected format:Molecular sieve 3A
WITHDRAWN published on 17.6.2008
Selected format:Determination of granular crush-strength for molecular sieve 3A
WITHDRAWN published on 1.1.1989
Selected format:Determination of abrasion for molecular sieve 3A
WITHDRAWN published on 22.3.1989
Selected format:Determination of static absorbed ethene and nitrogen for molecular sieve 3A
WITHDRAWN published on 22.3.1989
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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