... drawings. We have been in this industry for more than 10 years.Our factory owns electrical ... , electrochemical machining, electron beam machining, photochemical machining, and ultrasonic machining, the retronym "conventional machining" can be ... +/-0.01mm4. Processing: turning, milling, drilling,casting,stamping etc.5. Equipment: CNC lathe, automatic lathe, hand lathe, thread rolling machine, tapping ...