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It is dedicated to lift & transport coils, has 3 kinds, vertical type, horizontal type & general type which can lift materials both vertically and horizontally.  

Vertical type--magnet attracts coil's end face, suitable for bundled or unbundled coil.  

Horizontal type--magnet attracts coil's side face, suitabl for bundled coil only, often adopts multi-iron cores structure.