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Lifting electromagnet for cranes is a a device that uses electricity and magnetism to absorb ferromagnetic materials. Industrial magnets for cranes are versatile, compact, easy to operate. Lifting magnets has different types, different series lifting magnet is suitable for different steel products.
link:https://www.kinocranes.sg/electric-hoist/electric-hoist-by-capacity/1300mm-diameter-electric-magnet.html
1300mm Diameter Electric Magnet | Kenancranes