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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 22482-2026

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Specification for hydrological information and hydrological forecasting

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 8814-2026

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Unplasticized polyvinyl chloride(PVC-U) profiles for the doors and windows

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 48052-2026

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Automatic standard pressure generators

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 38216.9-2026

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Steel slag—Determination of sodium oxide and patassium oxide content

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 34527-2026

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Specification of gas cylinder valve for breathing apparatus

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 14180-2026

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Test methods for spiral wound gaskets

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 47971.2-2026

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Guidelines for safety evaluation of electric vehicle traction batteries—Part 2: Battery pack and system

Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 47996-2026

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Issued: 2026-07-30
Effective: 2027-02-01

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GB/T 32151.56-2026

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Requirements of the greenhouse gas emissions accounting and reporting—Part 56：Refrigeration and air-conditioning equipment production enterprise

Issued: 2026-07-30
Effective: 2027-02-01

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