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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
Hydraulic fluid powerMounting dimensions for single rod cylinders, 25MPa series
Standard published on 28.3.2025
Selected format:Packaging—Tamper verification features for medicinal product packaging
Standard published on 28.3.2025
Selected format:Compression and injection moulds—Components for gating systems
Standard published on 28.3.2025
Selected format:Tools for moulding—Guide bushes, headed, and locating guide bushes, headed
Standard published on 28.3.2025
Selected format:Packaging—Determination of crease stiffness for folding cartons
Standard published on 28.3.2025
Selected format:Non-destructive testing of heavy duty gas turbine blades and vanes—Part 1: Radiographic testing
Standard published on 28.3.2025
Selected format:Non-destructive testing of heavy duty gas turbine blades and vanes—Part 2: Visual testing
Standard published on 28.3.2025
Selected format:Method for determination of trace elements in attapulgite
Standard published on 28.3.2025
Selected format:Microbeam analysis—Focused ion beam—Preparation of TEM specimens
Standard published on 28.3.2025
Selected format:Glass containers - Internal pressure resistance - Test methods
Standard published on 30.12.2008
Selected format:Latest update: 2026-11-13 (Number of items: 2 209 336)
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