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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
Technical drawings - Projection methods
Standard published on 26.6.2008
Selected format:Non-destructive testing - Symbolic representation on drawings
Standard published on 28.2.2008
Selected format:Bucket wheel stacker reclaimer—Type and basic parameters
Standard published on 9.3.2021
Selected format:Identification method of feed material by microscopy
Standard published on 7.9.2017
Selected format:Feed—Sampling
Standard published on 6.8.2023
Selected format:Untrimmed sizes of printing, writing and drawing paper
Standard published on 21.7.2020
Selected format:Course development guide for education about standardization—Automation standardization
Standard published on 3.12.2025
Selected format:Lead and lead-antimony alloy plate
Standard published on 5.12.2014
Selected format:Determination of thiamine in feed
Standard published on 14.5.2018
Selected format:Determination of vitamin B2 in feeds
Standard published on 4.6.2019
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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