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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
Guideline for preparing use introduction of fertilizer product
Standard published on 6.8.2023
Selected format:Microbiological examination of feed—Sampling
Standard published on 6.8.2023
Selected format:Inspection method for microstructure of wrought magnesium alloy
Standard published on 9.3.2022
Selected format:Calculation method of meteorological factors in delimitation and evaluation of ecological conservation redline
Standard published on 6.8.2023
Selected format:Assessment method for climate change impact on vegetation ecological quality
Standard published on 6.8.2023
Selected format:Industrial assistance—Guidance on operation management of pig industry project
Standard published on 6.8.2023
Selected format:Industrial assistance—Guidance on operation management of bamboo industry project
Standard published on 6.8.2023
Selected format:Effectiveness of deacidification processes for paper-based literature in libraries
Standard published on 6.8.2023
Selected format:Electronic invoice business data specification—Part 1:Basic elements
Standard published on 6.8.2023
Selected format:Electronic invoice business data specification—Part 2:Specific elements
Standard published on 6.8.2023
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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