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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
Smart glazing used on road vehicles—Part 1:Organic electrochromic glazing
Standard published on 1.8.2025
Selected format:Smart glazing used on road vehicles—Part 2:Polymer dispersed liquid crystal glazing
Standard published on 1.8.2025
Selected format:Smart glazing used on road vehicles—Part 3:Electro-field modulated particle orientation glazing
Standard published on 1.8.2025
Selected format:Paints and varnishes—Determination of flow time by use of flow cups
Standard published on 1.8.2025
Selected format:Household wheelchair bed
Standard published on 1.8.2025
Selected format:Household and similar fabric cleaning appliance
Standard published on 1.8.2025
Selected format:Greenhouse gases—Quantification requirements and methods of product carbon footprint—Room air conditioners
Standard published on 1.8.2025
Selected format:Safety technical requirements for building decorative stone
Standard published on 1.8.2025
Selected format:Norm of energy consumption per unit production of formaldehyde
Standard published on 1.8.2025
Selected format:Safety technical requirements for safety glazing materials in building
Standard published on 1.8.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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