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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
Inspection of grain and oils—Doughs rheological properties determination of wheat flour—Alveograph test
Standard published on 27.2.2026
Selected format:Diagnostic methods for the Aeromonas salmonicida disease
Standard published on 27.2.2026
Selected format:Zhikong scallop—Broodstock and seedling
Standard published on 27.2.2026
Selected format:Diagnostic methods for infectious pancreatic necrosis
Standard published on 27.2.2026
Selected format:Electronic records of laws and regulations—Part 1: Page format
Standard published on 27.2.2026
Selected format:Electronic records of laws and regulations—Part 2: Technical requirements
Standard published on 27.2.2026
Selected format:Electronic records of laws and regulations—Part 3:Exchange interface
Standard published on 27.2.2026
Selected format:Phenolic celluloss paper copper clad laminated sheets for printed circuit
Standard published on 31.7.2017
Selected format:Intelligent service—Predictive maintenance—Data define and interface
Standard published on 27.2.2026
Selected format:Performance requirements and test methods of industrial heavy-duty mobile robots
Standard published on 27.2.2026
Selected format:Latest update: 2026-11-08 (Number of items: 2 209 204)
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