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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
Power fluctuation adaptability testing methods of water electrolysis system for hydrogen production
Standard published on 29.8.2025
Selected format:General guidelines for carbon sink accounting in terrestrial ecosystems
Standard published on 29.8.2025
Selected format:Interior decorative wood-based wallboard
Standard published on 29.8.2025
Selected format:Quality grades of products for magnoliae officinalis
Standard published on 29.8.2025
Selected format:Quality grade of dried flowers
Standard published on 29.8.2025
Selected format:Code of practice of cultivation and harvesting for ganoderma
Standard published on 29.8.2025
Selected format:Determination method of "fish eyes"for polyvinyl chloride resins of general use
Standard published on 4.6.2008
Selected format:Code of practice for improving carbon sink through forest management
Standard published on 29.8.2025
Selected format:Technical specification for solar-assisted composting of perishable waste in rural areas
Standard published on 29.8.2025
Selected format:Korean pine seeds
Standard published on 29.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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