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Standards GB - Chinese national standards - Page 4857

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 47910-2026

Guidelines for green evaluation of steel slag treatment and processing
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47911-2026

Requirements of work safety management system for small and micro-sized enterprises
Execute Date: september 2026

Standard published on 30.7.2026

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GB/T 47912-2026

Determination of medium-chain chlorinated paraffins (MCCPs) in textile dyeing and finishing auxiliaries
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47913-2026

Green product assessment—Stainless steel
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47914-2026

Method for ultrasonic testing of clad steel tubes
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47915.1-2026

Chemical analysis methods for rare earth zirconium based compounds—Part 1: Determination of total rare earth content
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47915.2-2026

Chemical analysis methods for rare earth zirconium based compounds—Part 2: Determination of zirconium oxide and hafnium oxide total content—Mandelic acid gravimetric method
Execute Date: february 2027

Standard published on 2.7.2026

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GB/T 47916-2026

Green product assessment—Steel platesheet and strip
Execute Date: february 2027

Standard published on 2.7.2026

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