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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
Information technology--Digital compression and coding of continuous-tone still images--Part 1:Requirements and guidelines
Standard published on 26.2.1998
Selected format:Information technology--Digital compression and coding of continuous-tone still images--Part 2:Compliance testing
Standard published on 26.2.1998
Selected format:Operating procedures of livestock and poultry slaughtering—Pig
Standard published on 25.3.2019
Selected format:The general qualification of technology on livestock animal slaughtering process
Standard published on 17.6.2008
Selected format:
General technical conditions for livestock and poultry slaughtering
Execute Date: september 2026
Standard published on 27.2.2026
Selected format:Fresh and frozen beef cuts
Standard published on 15.4.2022
Selected format:Fresh and frozen rabbit meat and by-products
Standard published on 15.4.2022
Selected format:Paints,varnishes and printing inks—Determination of fineness of grind
Standard published on 25.3.2019
Selected format:Synoptic table for cast iron pipe flanges
Standard published on 5.3.1998
Selected format:Cast iron pipe flanges—Part 1:PN designated
Standard published on 25.4.2024
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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