1. There is 3 working units of punching, shearing and bending. It can be used for busbar punching, shearing and bending work. Through adjust and change quick connecting head, the 3 working unit can shift quickly. 2.� This machine operated easily, used conveniently. Generally, the mature workers can use and operate it easily. 3. It adopts vertical processing method of punching, shearing and bending unit. They are flexible and convenient. They can be both in group and divided usage. It is very propitious to electric urgent repair.