... tool For Valve, Cylinder Main configuration:1, CNC system control;2, Stepper motor drive;3, Ball screw drive;4, Cylinder ... multi-usage. Complete quenching, annealing, tempering, normalizing, quenching and other heat treatment process, but also complete welding, melting, ... discount price. 9) high power utilization, environmental protection and energy saving, safe, reliable, good working conditions for ...