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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
Limit for exhaust smoke of marine diesel engine
Standard published on 9.3.2009
Selected format:
Limits and Measurement Methods for Exhaust Smoke from Ships
Execute Date: july 2027
Standard published on 27.6.2026
Selected format:Terminology of working ship
Standard published on 11.9.2002
Selected format:Diecasting dies—Specifications
Standard published on 29.9.2017
Selected format:
Die casting dies—Technical specifications
Execute Date: february 2027
Standard published on 30.7.2026
Selected format:Dies and moulds—Terminology
Standard published on 12.7.2017
Selected format: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:Latest update: 2026-08-17 (Number of items: 2 297 400)
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