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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
Assembled spectacle—Part 2:Power-variation prescription assembled spectacles
Standard published on 28.2.2025
Selected format:Assembled spectacles—Part 3:Single-vision near-vision spectacles
Standard published on 30.8.2019
Selected format:Assembled spectacles—Part 4: Multifocal and power-variation near-vision spectacles
Standard published on 28.2.2025
Selected format:Canned ham
Standard published on 10.9.2008
Selected format:
General quality requirements for canned ham
Execute Date: february 2027
Standard published on 28.1.2026
Selected format:General quality requirements for canned peaches
Standard published on 27.11.2023
Selected format:Canned green peas
Standard published on 10.9.2008
Selected format:Canned broad beans
Standard published on 15.5.2015
Selected format:Polyethylene heat-shrinkable film for packaging applications
Standard published on 25.4.2016
Selected format:Soya bean
Standard published on 23.5.2023
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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