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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
Indicators for individual business credit evaluation
Standard published on 29.8.2025
Selected format:Determination of amprolium hydrochlorideethopabate and sulfaquinoxaline in feeds
Standard published on 29.8.2025
Selected format:Specification for chiplet interconnection interface—Part 1: General principles
Standard published on 19.8.2025
Selected format:Specification for chiplet interconnection interface—Part 2: Protocol layer technical requirements
Standard published on 19.8.2025
Selected format:Specification for chiplet inerconnection interface—Part 3: Data link layer technical requirements
Standard published on 19.8.2025
Selected format:Specification for chiplet inerconnection interface—Part 4: Physical layer technical requirements based on 2D package
Standard published on 19.8.2025
Selected format:Specification for chiplet inerconnection interface—Part 5: Physical layer technical requirements based on 2.5D package
Standard published on 19.8.2025
Selected format:Household and similar refrigerating appliances—Characteristics and test methods—Part 1: General requirements
Standard published on 29.8.2025
Selected format:Household and similar refrigerating appliances—Characteristics and test methods—Part 2: Performance requirements
Standard published on 29.8.2025
Selected format:Household and similar refrigerating appliances - Characteristics and test methods—Part 3: Energy consumption and volume IEC 62552-3:2020
Standard published on 29.8.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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