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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
Micro-electromechanical systems MEMS technology—Bend testing methods of thin film materials
Standard published on 26.10.2024
Selected format:Specifications for safety estimation of existing escalators and moving walks
Standard published on 26.10.2024
Selected format:Industrial fans—Tolerances, methods of conversion and technical data presentation
Standard published on 26.10.2024
Selected format:Low frequency electromagnetic testing method for pressure equipments
Standard published on 26.10.2024
Selected format:Calculation of load capacity for plastic gear
Standard published on 26.10.2024
Selected format:Heavy mechanical—Design requirement for forging
Standard published on 26.10.2024
Selected format:Industrial fans—Method of measurement of fan vibration
Standard published on 26.10.2024
Selected format:Micro-electromechanical systems (MEMS) technology—Forming limit measuring method of metallic film materials
Standard published on 26.10.2024
Selected format:Driving safety test items and methods for intelligent and connected vehicles
Standard published on 26.10.2024
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 1: General requirements and definitions
Standard published on 29.8.2025
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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