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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
Glass wool and its products for thermal insulation
Standard published on 14.10.2017
Selected format:Belt drives Vbelts for the automotive - Industry and corresponding pulleys - Dimensions
Standard published on 18.6.2008
Selected format:Test method for resistance of adhesive bonds to chemical reagents--Metal to metal
Standard published on 14.1.1992
Selected format:Determination for density of adhesives
Standard published on 5.10.2025
Selected format:Proso millet (glutinous)
Standard published on 29.9.2024
Selected format:Milled proso millet (glutinous)
Standard published on 29.9.2024
Selected format:Proso milletnon-glutinous
Standard published on 29.9.2024
Selected format:Milled proso millet (non-glutinous)
Standard published on 29.9.2024
Selected format:Hulless oats
Standard published on 29.9.2024
Selected format:Hulless oat flour
Standard published on 29.9.2024
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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