Magadh Steel Industries Pvt. Ltd. Supplies Slitting Coil Processing Lines. Magadh Steel Industries Pvt. Ltd. Is the manufacturer of rolling mill machinery equipments and spares. Slitting Coil Processing Lines incorporate features like induction hardened forged alloy steel arbores, double eccentric arrangement and complete Digital PLC based controls. The coil processing lines are also available in Shearing Lines, Edge Trimming Lines for hot rolled coil stock and cold rolled coils.