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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
Rubber and plastics machinery—General safety requirements
Standard published on 1.8.2025
Selected format:Security protection—Transparent protection materials
Standard published on 1.8.2025
Selected format:Non-traditional machines—Safety technical requirements
Standard published on 1.8.2025
Selected format:Electrical equipment and system of industrial machines—Safety requirements
Standard published on 5.10.2025
Selected format:Safety technical specification for concrete admixtures
Standard published on 1.8.2025
Selected format:Rolling bearings - Internal clearance - Part 1: Radial internal clearance for radial bearings
Standard published on 3.9.2012
Selected format:Rolling bearings - Internal clearance - Part 2: Axial internal clearance for four-point-contact ball bearings
Standard published on 18.9.2013
Selected format:Limits of leachable harmful metal element in wall materials
Standard published on 1.8.2025
Selected format:Greenhouse gases—Quantification method and requirement of product carbon footprint—Electrical and electronic appliances
Standard published on 29.8.2025
Selected format:Anaesthetic and respiratory equipment—Low-pressure hose assemblies for use with medical gases
Standard published on 1.8.2025
Selected format:Latest update: 2026-11-11 (Number of items: 2 209 285)
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