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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
Test method for static load peeling performance of adhesive tape
Standard published on 28.1.2026
Selected format:Determination of chromium() in dye products
Standard published on 28.1.2026
Selected format:Test method for determining geometrical parameters of patterns on patterned sapphire substrate
Standard published on 28.1.2026
Selected format:Green product assessment—Steel tubes
Standard published on 28.1.2026
Selected format:Metallic powder—Determination of conductivity
Standard published on 28.1.2026
Selected format:Technical specification for producing ethylene glycol from coke-oven gas
Standard published on 28.1.2026
Selected format:Chemical analysis methods of alumina fiber
Standard published on 28.1.2026
Selected format:Zinc and zinc alloy powder for additive manufacturing
Standard published on 28.1.2026
Selected format:Green product assessment—Roofing tiles
Standard published on 28.1.2026
Selected format:Green product assessment—Cement
Standard published on 28.1.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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