1:Save electricity 2:Environmentally friendly 3:Digital control 5:safety voltage controlled Zhengzhou Gou's New Quenching machine ... system control;2, Stepper motor drive;3, Ball screw drive;4, Cylinder linear guide rail, ball slider sliding;5, AC variable speed motor ... , screw the top down;7, Solenoid valve control water;8, With a heating device control plug.Gou's New Quenching machine tool ...