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Standards GB - Chinese national standards - Page 4848
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 4787.1-2021
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Grading capacitors for high-voltage alternating current circuit-breakers—Part 1: General
Standard published on 21.5.2021
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GB/T 47870-2026
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Technical requirements for selection of launch vehicle offshore launch infrastructure platform
Execute Date: november 2026
Standard published on 2.7.2026
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GB/T 47871-2026
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Aerospace fluid systems and componentsGeneral specifications for variable displacement hydraulic motors
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47872.3-2026
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Petroleum and natural gas industries—Completion fluids and materials—Part 3: Testing of heavy brines
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47873-2026
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Global navigation satellite system for vehicles engaged in road transport—Security technical requirements of transmission for BDS positioning data
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47874-2026
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Guidelines for the construction, operation and maintenance of smart parks
Execute Date: november 2026
Standard published on 2.7.2026
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GB/T 47875-2026
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Determination of bending equivalent thickness of multi-layer glazing
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47876-2026
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Non-destructive testing of steel pipes—Phased-array ultrasonic automatic testing method for weld seam of submerged arc-welded steel pipes
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47877-2026
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Seamless stainless steel pipes for liquid hydrogen storage and transportation
Execute Date: february 2027
Standard published on 2.7.2026
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GB/T 47878-2026
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Fine ceramics—Determination of distribution of tensile strength and tensile strain to failure of ceramic filaments within a multifilament tow at ambient temperature
Execute Date: february 2027
Standard published on 2.7.2026
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