... drawings. We have been in this industry for more than 10 years.Our factory owns electrical ... machining, electrochemical machining, electron beam machining, photochemical machining, and ultrasonic machining, the retronym "conventional machining" can be ... turning, milling, drilling,casting,stamping etc.5. Equipment: CNC lathe, automatic lathe, hand lathe, thread rolling machine, tapping drilling machine ...