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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
Standard atmosphere
Standard published on 30.6.2025
Selected format:Compressed non-breathing air for use in aircraft
Standard published on 30.6.2025
Selected format:Natural gas—Format for data from gas chromatograph analysers for natural gas—XML file format
Standard published on 30.6.2025
Selected format:Technical specification of qualification for metal powder bed fusion machines
Standard published on 1.8.2025
Selected format:Artificial pollution tests on high-voltage insulators to be used on a.c. systems
Standard published on 14.5.2004
Selected format:Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c.systems
Standard published on 29.6.2024
Selected format:Packaging sacks—Conditioning for testing—Part 1: Paper sacks
Standard published on 1.8.2025
Selected format:Wind energy generation systems—Wind measurement of overview
Standard published on 1.8.2025
Selected format:Gas turbine exhaust systems
Standard published on 1.8.2025
Selected format:Sightseeing vehicle—Safety monitoring management system
Standard published on 1.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 289)
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