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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
Transverse vibration testing of the locking behaviour for aerospace bolted connections
Standard published on 2.12.2025
Selected format:Technical specification for site selection of underground compressed air energy storage—Part 1: Site selection within saline aquifers
Standard published on 2.12.2025
Selected format:Natural gas—Guidelines to traceability in analysis
Standard published on 2.12.2025
Selected format:Regulation on natural resources registration unit identifier coding
Standard published on 2.12.2025
Selected format:Technical specification for geological environment investigation of coal mining subsidence areas
Standard published on 2.12.2025
Selected format:Economic evaluation method for surface extraction project of coalbed methane in coal mining area
Standard published on 2.12.2025
Selected format: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:Latest update: 2026-11-10 (Number of items: 2 209 227)
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