... Features 1.Cutting all kinds of solid aluminum, aluminum, copper and hollow copper,etc.2.Can cut many material, aluminum ... ,easy to operate.4.According to the Input numerical cutting, size precise.5.Grinding range: 50mm-900mm.6 ... polishing and knurling.7.Cut surface smooth,no obvious cutting scar.8.Adjustable speed, easy for different materials workpiece ... 9 years in this field Auto die cutting Machine