... kinds electron products 2, accuracy stamping Four Column Precision Punch Machine1,Electronic positioning,automatic adjustment, precision and accurate, ... , the machine body is stable and reliable3,Applies to punch electronic materials such as aluminum foil ,PET, protective film ... 40TA40650650X6007.5DP-50TA50850850X60010DP-80TA8010001000X80015 Four Column Precision Punch Machine + automatic feeding