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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 guidelines for evaluation of the aquatic ecological health
Standard published on 28.12.2023
Selected format:Guidelines for evaluation of water saving industrial parks
Standard published on 28.12.2023
Selected format:Tractor—Automatic assistant steering systems—General technical specification
Standard published on 28.12.2023
Selected format:Metal spinning formability and test methods—Formability, formability indexes and general test code of practice
Standard published on 28.12.2023
Selected format:Component determination of sodium hydroxide for industrial use—Part 1: Sodium hydroxide and sodium carbonate
Standard published on 28.1.2026
Selected format:Sodium hydroxide for industrial useDetermination of sodium chloride contentMercurimetric method
Standard published on 3.9.2014
Selected format:Sodium hydroxide for industrial use - Determination of iron content110phenanthroline photometric method
Standard published on 31.12.2012
Selected format:Non-destructive testing—Guided wave testing of ultrasonic phased array cylindrical imaging
Standard published on 28.12.2023
Selected format:Non-destructive testing—Guided wave testing of ultrasonic phased array cylindrical imaging
Standard published on 28.12.2023
Selected format:Additive manufacturing—Requirements for data quality of three-dimensional process model
Standard published on 28.12.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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