Main feature：
1. The machine adopts the material shelf with a style of cantilever and opening umbrella to put material with no dynamic force. It can adjust the end of the screw mandrel of the material shelf to fit in with steel of different apertures. Easy to operating and its speed of putting materials and the main moulding machine is in phase.
2. The machine adopts Seven Rolls level correction, roll arbors adopt high-quality alloyed steel 40Cr, made with a heat treatment, and it has a perfect effectiveness of level correction to defect band steel.
3. The roller of the principal machine adopts the bearing steel Cr15 to strike, distressing to annealing, quenching, tempering, and Parkerizing, such heat treatment process. The surface hardness reach HRC60 degree.
4. All the rollers are made by the numerical control lather, and this guarantees the accuracy of the roller's sizes and prolongs its working life.