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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
Safety rules of static electricity in the rubber industry
Standard published on 12.9.2003
Selected format:Natural gas—Determination of odorant—Part 1:Determine tetrahydrothiophene and non-sulfur odorant concentration by gas chromatography with photo ionization detector
Standard published on 2.12.2025
Selected format:Natural gas—Determination of odorant—Part 2:Determination of tetrahydrothiophene by electrochemical sensor
Standard published on 2.12.2025
Selected format:Test method of solid rivets for aerospace
Standard published on 2.12.2025
Selected format:Test methods of bolts for aerospace
Standard published on 2.12.2025
Selected format:Natural gas—Analysis of composition by gas chromatography method—Rapid determination of conventional components and sulfur compounds by integrated comprehensive analyzer
Standard published on 2.12.2025
Selected format:Petroleum and natural industries—Pipeline transportation systems—Test procedures for mechanical connectors
Standard published on 2.12.2025
Selected format:Sensory analysis—Selection and training of sensory assessors
Standard published on 5.10.2025
Selected format:Application grade classification and requirements of aerospace components
Standard published on 2.12.2025
Selected format:Bihexagonal self-locking nuts with counterbore and MJ threads for aerospace
Standard published on 2.12.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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