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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
Natural gypsum
Standard published on 28.11.2024
Selected format:Methods for chemical analysis of gypsum
Standard published on 25.4.2024
Selected format:Test methods for inorganic rigid thermal insulation
Standard published on 12.5.2008
Selected format:
Test methods for inorganic rigid thermal insulation products
Execute Date: november 2026
Standard published on 30.4.2026
Selected format:Determination of the gasoline octane number—Test method for research octane number
Standard published on 31.12.2015
Selected format:Printed circuit board draw
Standard published on 17.9.2018
Selected format:Electro-welded anchor chains
Standard published on 28.2.2017
Selected format:Inspection of grain and oils - General rules
Standard published on 30.6.2010
Selected format:Inspection of grain and oil seeds—Sampling and dividing
Standard published on 31.10.2025
Selected format:Inspection of grain and oils - Identification of colour, odour and taste of grain and oilseeds
Standard published on 4.11.2008
Selected format:Latest update: 2026-08-14 (Number of items: 2 293 479)
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