1, computer control 2, speed adjust 3, high-efficient 4, labour saving ... 3mm/cross0.01-3mm/crossPower220V(single PH)220V(single PH) Adopt the computer and control, frequency conversion adjusts ... crystal display of large screen, adopt the advanced computer procedure , the menu type is operated, ... information, production management is convenient to control, computer store several hundred a kind of person ...