... : 380/220 V 4.Size: 1100x1530x2320 mm J23 Series Punching Machine, Solar Water Heater Production Line Features: Precision-made ... processing industry an ideal punching equipment manufacturers. -The machine work smootyly and reliable,balanced with spring cylinder structure ... of stress. -Complying with National Safty Standards,the machine is widely used in cutting,punching,blanking,bending,molding ...