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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
Guide for reclaiming and using of phosphate ester hydraulic fluid
Standard published on 29.9.2024
Selected format:Short-circuit current calculation of renewable energy power generation stations and connection systems—Part 1: Wind power generation
Standard published on 26.10.2024
Selected format:Short-circuit current calculation of renewable energy power generation stations and connection systems—Part 2: Photovoltaic power generation
Standard published on 26.10.2024
Selected format:Short-circuit current calculation of renewable energy power generation stations and connection systems—Part 3: Energy storage station
Standard published on 26.10.2024
Selected format:Methodology for determining the energy efficiency class of electrical accessories
Standard published on 29.9.2024
Selected format:Value stream management
Standard published on 29.9.2024
Selected format:Health management—Data collection and transmission protocol of terminal equipment
Standard published on 29.9.2024
Selected format:Insulating liquids—Unused modified or blended esters for electrotechnical applications
Standard published on 29.9.2024
Selected format:Grading of social art level—Level setting and examination requirements—Piano
Standard published on 29.9.2024
Selected format:General requirements for upper and lower limb motor function rehabilitation equipment with assessment and training
Standard published on 29.9.2024
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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