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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
Automotive LPG steel cylinder multivalve
Standard published on 31.12.2024
Selected format:Automatically controlled sodium ion exchangers technical specifications
Standard published on 31.12.2025
Selected format:Refractory products - Determination of resistance to abrasion at ambient temperature
Standard published on 5.11.2012
Selected format:Basic requirements for instruments to fly the national flag
Standard published on 28.1.2026
Selected format:Color grading of polished diamond by visual matching
Standard published on 26.5.2008
Selected format:Information technology--Chinese specification of internet character transfer format for email
Standard published on 2.1.2001
Selected format:Quality management systems—Particular requirements for the application of GB/T 19001—2008 for automotive production and relevant service part organizations
Standard published on 13.12.2016
Selected format:Seismic ground motion parameters zonation map of China
Standard published on 15.5.2015
Selected format:Methods for chemical analysis of crude silver
Standard published on 13.2.2001
Selected format:Fiber optic adaptors--Part 1:Generic specification
Standard published on 13.2.2001
Selected format:Latest update: 2026-09-10 (Number of items: 2 300 145)
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