Slitting line can do uncoiling, slitting and recoiling works, for any width coil steel. It mainly includes coil car, uncoiler, shearer, correct device, slitting machine, scrap recoiler, tension unit, press unit, recoiler and coil car, and hydraulic system. It is mainly used in coil or hot rolling carbon steel, silicon steel and all the other kinds of metal materials with surface spreading. This line can be adjusted to do recoiling or dividing work to meet customers demands. PLC system is used to select the information from every part of the line, centrally controlled. Speed self adjusted function keeps memory after power cut. So the line has efficient performance.