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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
Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 8:Field method for the refractometric determination of moisture
Standard published on 14.9.2005
Selected format:Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 9: Field method for the conductometric determination of water-soluble salts
Standard published on 1.8.2025
Selected format:Small craft--Portable fuel systems for outboard motors
Standard published on 13.12.2001
Selected format:Small craft--Static thrust measurement for outboard motors
Standard published on 13.12.2001
Selected format:Small craft - Electrical devices - Lightning-protection systems
Standard published on 9.3.2009
Selected format:The passenger service signs for urban rail transit
Standard published on 23.12.2008
Selected format:
Urban rail transit signs
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:Shaking table test method for seismic performance of curtain wall
Standard published on 14.10.2017
Selected format:Shaking table test method for seismic performance of curtain wall
Standard published on 14.10.2017
Selected format:Building construction machinery and equipment--Terms and definitions
Standard published on 17.12.2001
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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