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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
Rolling bearings—Noise testing of rolling bearing greases—Part 3:Test and evaluation method MQ
Standard published on 29.9.2024
Selected format:Rolling bearings—Noise testing of rolling bearing greases—Part 4:Test and evaluation method NQ
Standard published on 29.9.2024
Selected format:Non-destructive testing—Gamma ray scanning method on process columns
Standard published on 28.12.2023
Selected format:Safety devices for protection against excessive pressure—Controlled safety pressure relief systems
Standard published on 28.12.2023
Selected format:Environmental management—Life cycle assessment—Data documenation format
Standard published on 28.12.2023
Selected format:Agricultural service—Guidelines for construction of specialized agricultural machine cooperative organization
Standard published on 28.12.2023
Selected format:Archiving metadata for meteorological observation data
Standard published on 28.12.2023
Selected format:Code of practice of cultivation for Rheum palmatum
Standard published on 28.12.2023
Selected format:Wetland vocabulary
Standard published on 28.12.2023
Selected format:Technical code of practice for tulip production
Standard published on 28.12.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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