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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
Lock rings with screw and circlip
Standard published on 2.7.1986
Selected format:Food additive Propyl p-hydroxybenzoate
Standard published on 30.6.2005
Selected format:Vegetables--Nomenclature--First list
Standard published on 29.2.1988
Selected format:Fresh fruits and vegetables—Sampling
Standard published on 30.5.2025
Selected format:Rings for shoulder
Standard published on 2.7.1986
Selected format:Simple modified atmospheres cold storage technique of garlic scape
Standard published on 31.10.2025
Selected format:Automation systems and integration - Numerical control of machines - Program format and definitions of address words - Part 1: Data format for positioning,line motion and contouring control systems
Standard published on 31.12.2012
Selected format:Eenergy saver for AC contactors
Standard published on 21.11.2001
Selected format:Terminology of grain and oils - Flour milling industry
Standard published on 16.6.2011
Selected format:Terminology of grain and oils - Oils and fats industry
Standard published on 4.11.2008
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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