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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
Metallic materials—Fatigue testing—Axial plane bending method
Standard published on 30.6.2025
Selected format:Corrosion of metals and alloys—Electrochemical methods for fast test of stress corrosion cracking susceptibility
Standard published on 30.6.2025
Selected format:Sectional specification for single and double sided rigid printed board
Standard published on 2.12.2025
Selected format:Printed boards--Part 10:Specification for flex-rigid double-sided printed boards with through connections
Standard published on 21.12.1995
Selected format:Specification for mass laminationpanels (semi-manufactured multilayer printed boards)
Standard published on 11.12.2000
Selected format:Design and use of printed boards
Standard published on 25.11.2002
Selected format:Sectional specification for rigid multilayer printed boards
Standard published on 31.7.2017
Selected format:Determination of friction and wear characteristics of monolithic ceramics—Ball-on-disc method
Standard published on 30.6.2025
Selected format:Agricultural service—Specification for third party agricultural products traceability service
Standard published on 30.6.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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