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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
Lignins—Determination of lignin content in kraft lignin, soda lignin and hydrolysis lignin
Standard published on 27.2.2026
Selected format:Determination of stickies in recycled pulps and waste paper—Near-infrared method
Standard published on 27.2.2026
Selected format:Fireworks—Aerials
Standard published on 27.2.2026
Selected format:Fireworks—Novelties
Standard published on 27.2.2026
Selected format:Fireworks—Fountains
Standard published on 27.2.2026
Selected format:Fire alarm control units
Standard published on 29.4.2024
Selected format:Fireworks—Shelf fireworks
Standard published on 27.2.2026
Selected format:Fireworks—Roman candle
Standard published on 27.2.2026
Selected format:Fireworks—Ground spinner
Standard published on 27.2.2026
Selected format:Fireworks—Firecrackers
Standard published on 27.2.2026
Selected format:Latest update: 2026-11-09 (Number of items: 2 209 205)
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