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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
Lasers and laser-related equipment—Test methods for laser-induced damage threshold—Part 4:Inspection,detection and measurement
Standard published on 29.12.2017
Selected format:Acrylic staple and tow
Standard published on 6.8.2008
Selected format:Polyamide drawn yarns
Standard published on 30.5.2025
Selected format:Polyester filament for industry
Standard published on 29.12.2017
Selected format:Regenerated rayon filament fabrics
Standard published on 6.8.2008
Selected format:
Regenerated cellulose filament fabrics
Execute Date: december 2026
Standard published on 28.11.2024
Selected format:Packings for express service—Part 1:Envelope
Standard published on 6.2.2018
Selected format:Packings for express service—Part 2Packing box
Standard published on 6.2.2018
Selected format:Packings for express service—Part 3:Packing bag
Standard published on 6.2.2018
Selected format:Electromechanical telecom elementary relays of assessed quality—Part 1: Generic specification and blank detail specification
Standard published on 17.3.2023
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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