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Standards GB - Chinese national standards - Page 4898
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
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GB/T 48153-2026
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Technical specifications for well logging evaluation in shale oil and shale gas
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48154-2026
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Metering methods of gas as fuel on liquefied natural gas carriers during cargo transfer operations
Execute Date: december 2026
Standard published on 28.8.2026
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GB/T 48155-2026
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Technical specification for bridge plug setting and cluster perforating operation
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48156-2026
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Aerospace-nuts, barrel, self-locking, floating, self-aligning, with MJ threads—Dimensions
Execute Date: december 2026
Standard published on 28.8.2026
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GB/T 48157-2026
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Petroleum and natural gas—General method for low-field nuclear magnetic resonance relaxation analysis
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48158-2026
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Aerospace-Nuts, reduced hexagonal,thin, with MJ threads—Dimensions
Execute Date: december 2026
Standard published on 28.8.2026
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GB/T 48159-2026
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AerospaceGeneral specifications for hydraulic power transfer units
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48160-2026
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Aerospace—Couplings, threaded and sealed, for fluid systems
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48161-2026
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Natural gas—Determination of trace metallic elements—Inductively coupled plasma mass spectrometry
Execute Date: march 2027
Standard published on 28.8.2026
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GB/T 48162-2026
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Rotorcrafts—Flight dynamics—Vocabulary and symbol
Execute Date: march 2027
Standard published on 28.8.2026
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