Vaidehi hopper magnets offered by dynamic engineering company are used for removing iron particles from plastic, rice, dal, flour, etc. These hopper magnets protect extruders, moulding machines, rice/flour/dal mills from nails, bolts, nuts and any other ferrous contaminations. Higher power magnetic rods hold the iron particles firmly when the material is passed through the grill. To ensure better efficiency, the hopper magnets in both round and square shapes according to the sizes and shapes of the hopper and chutes is used.