1.Automatic feed?autoatic slot and automatic bend.2.Working principle:It controlled by the coputer, can finish Letter Return/outside in one time after click"Run" button.3.High speed,4.High precision. Bend the letter"Return" that conform perectly to the engrave-cut face and back.5.Low lad cost. Our channel letter bender has a production capability equivalent to about 10-20 people.6.Low energy consumption.7.Multiple specifications of aluminum material available.8.Min-Size:Easy for transportation and after-sale service.