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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
Textiles—Determination of cresol compounds
Standard published on 5.10.2025
Selected format:Loss in weight feeder
Standard published on 5.10.2025
Selected format:Fibre grade para-phenylene terephthalamidePPTA powder
Standard published on 5.10.2025
Selected format:Paper and board - Accelerated aging - Dry heat treatment
Standard published on 24.3.2008
Selected format:Camera usage of 35mm motion-picture film
Standard published on 17.10.2000
Selected format:Textile—Determination of pore size characteristics—Gas-liquid replacement method
Standard published on 5.10.2025
Selected format:Guidelines for care of the elderly with cognitive impairment in senior care organization
Standard published on 5.10.2025
Selected format:Specification for the operating services of medical textile laundry enterprises
Standard published on 31.10.2025
Selected format:Classification and code for service outsourcing
Standard published on 5.10.2025
Selected format:Classification and codes for water cultural heritage
Standard published on 5.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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