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Standards GB - Chinese national standards - Page 4592
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 45896-2025
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Quality requirements for product of geographical indication—Fuping dried persimmon
Standard published on 30.6.2025
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GB/T 45897.1-2025
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Pressure regulators for use with medical gases—Part 1: Pressure regulators and pressure regulators with flow-metering devices
Standard published on 1.8.2025
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GB/T 45897.2-2025
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Pressure regulators for use with medical gases—Part 2: Manifold and line pressure regulators
Standard published on 1.8.2025
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GB/T 45897.3-2025
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Pressure regulators for use with medical gases—Part 3: Pressure regulators integrated with cylinder valvesVIPRs
Standard published on 1.8.2025
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GB/T 45897.4-2025
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Pressure regulators for use with medical gases—Part 4Low-pressure regulators
Standard published on 1.8.2025
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GB/T 45898.1-2025
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Terminal units for medical gas pipeline systems—Part 1: Terminal units for use with compressed medical gases and vacuum
Standard published on 1.8.2025
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GB/T 45899-2025
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Anaesthetic and respiratory equipment—Compatibility with oxygen
Standard published on 30.6.2025
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GB/T 459-2002
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Paper and board--Determination of demensional instability
Standard published on 5.9.2002
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GB/T 459-2026
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Paper and board—Determination of dimensional change
Execute Date: november 2026
Standard published on 30.4.2026
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GB/T 45900-2025
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Test method of buoyancy material and modules properties for manned submersible
Standard published on 30.6.2025
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