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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
Dentistry—Dental furnace—Part 2: Test method for evaluation of furnace programme via firing glaze
Standard published on 1.8.2025
Selected format:Paper-determination of the sizing value
Standard published on 19.8.2008
Selected format:Water saving enterprises—Wood processing and products industry
Standard published on 1.8.2025
Selected format:Soybean isoflavone
Standard published on 1.8.2025
Selected format:Determination of trypsin inhibitor activity in feed soya products
Standard published on 1.8.2025
Selected format:Determination of trypsin inhibitor activity in feed soya products
Standard published on 1.8.2025
Selected format:Animal fats—Mutton tallow
Standard published on 1.8.2025
Selected format:Animal fats—Beef tallow
Standard published on 1.8.2025
Selected format:Code of practice for the clearance of pine trees infested by pests and diseases
Standard published on 1.8.2025
Selected format:Specification of desert inventory
Standard published on 1.8.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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