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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
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for flexural strength of monolithic ceramics at elevated temperature
Standard published on 18.9.2008
Selected format:Performance requirements for satellite emergency position indicating radio beacons
Standard published on 10.8.2021
Selected format:
Technical specifications for 406 MHz distress beacons
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Layout key for international trade documents—Part 1Paper-based documents
Standard published on 30.12.2022
Selected format:Layout key for international trade documents—Part 2Electronic documents
Standard published on 31.10.2025
Selected format:Layout key for international trade documents—Part 3Application guidelines
Standard published on 28.12.2023
Selected format:Location of codes in trade documents
Standard published on 18.6.2008
Selected format:Computer software reliability and maintainability management
Standard published on 18.7.2008
Selected format:Coding rules for urban geographical features - City roads, road intersections, blocks and municipal pipe lines
Standard published on 6.5.2009
Selected format:Classification and codes of diseases
Standard published on 13.10.2016
Selected format:Latest update: 2026-08-11 (Number of items: 2 292 404)
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