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GB/T Recommended National Standards

Browse selected GB/T standards used in quality, testing, product compliance, and China market-entry workflows.

GB/T 2522-2026

Upcoming

Methods of measurement of the coating insulation resistance and coating adhesion of electrical steel strip and sheet

Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 26875.6-2026

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Remote-monitoring system of urban fire protection—Part 6: Functional requirements for information management software

Issued: 2026-04-30
Effective: 2027-05-01

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GB/T 13867-2026

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Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 47377-2026

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Comprehensive tests method of air environment of manned spacecraft complex

Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 21186-2026

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Fourier transform infrared spectrometers

Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 18837-2026

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Multi-split air-conditioning (heat pump) units

Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 15972.48-2026

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Specifications for optical fibre test methods—Part 48: Measurement methods and test procedures for transmission characteristics—Polarization mode dispersion

Issued: 2026-04-30
Effective: 2026-11-01

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GB/T 47461-2026

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Requirements for the architecture of coal mines intelligent system

Issued: 2026-04-30
Effective: 2027-05-01

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GB/T 4548-2026

Upcoming

Glassware—Hydrolytic resistance of the interior surfaces of glass containers—Determination by titration method and classification

Issued: 2026-04-30
Effective: 2026-11-01

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