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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
Determination of moisture content of cork floor tile
Standard published on 31.10.2025
Selected format:Technical guidelines for packaging of fresh edible agricultural products
Standard published on 31.10.2025
Selected format:Standard-oriented knowledge graph—Part 1: Implementation guidelines
Standard published on 2.12.2025
Selected format:Expression of machine language for standard—Part 1: General requirements for basic architecture and elements expression
Standard published on 2.12.2025
Selected format:Expression of machine language for standard—Part 2: Guidelines for standard document content labeling based on XML
Standard published on 30.4.2026
Selected format:Expression of machine language for standard—Part3: Expression method of feature elements
Standard published on 28.1.2026
Selected format:Technical specification for alarm information and fault grading for vehicles of urban rail transit
Standard published on 31.10.2025
Selected format:Display specification for the man-machine interface of on-board signaling system of the urban rail transit
Standard published on 31.10.2025
Selected format:Textiles - Woven fabrics - Determination of mass per unit length and mass per unit area
Standard published on 6.8.2008
Selected format:Technical specification for alarm information and fault grading for signal system of urban rail transit
Standard published on 31.10.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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