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GB - Chinese national standards - Page 4685

Standards GB - Chinese national standards - Page 4685

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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Preview GB/T 46652-2025 31.10.2025
GB/T 46652-2025

Gardening machinery—Powered material-collecting systems—Safety

Standard published on 31.10.2025

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Preview GB/T 46653-2025 31.10.2025
GB/T 46653-2025

Test method for vertical mounted gear transmission device

Standard published on 31.10.2025

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Preview GB/T 46654-2025 31.10.2025
GB/T 46654-2025

Radiographic testing for titanium alloy castings—Defect levels

Standard published on 31.10.2025

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Preview GB/T 46655-2025 31.10.2025
GB/T 46655-2025

Design and metrological characteristics of calliper depth gauges

Standard published on 31.10.2025

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Preview GB/T 46656-2025 31.10.2025
GB/T 46656-2025

Valves for cryogenic vessels

Standard published on 31.10.2025

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Preview GB/T 46657-2025 31.10.2025
GB/T 46657-2025

Plain bearings—Fluid film bearing materials for vehicular turbocharger

Standard published on 31.10.2025

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Preview GB/T 46658-2025 31.10.2025
GB/T 46658-2025

Green product assessment—Biobased materials and products

Standard published on 31.10.2025

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Preview GB/T 46659-2025 31.10.2025
GB/T 46659-2025

Control of water-borne iodine excess area and iodine excess endemial area

Standard published on 31.10.2025

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Preview GB/T 4666-2009 21.4.2009
GB/T 4666-2009

Textiles - Fabrics - Determination of width and length

Standard published on 21.4.2009

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Preview GB/T 46660-2025 31.10.2025
GB/T 46660-2025

General technical requirements for whole genome sequencing of SARS-CoV-2
Execute Date: november 2026

Standard published on 31.10.2025

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