1, Turning, CNC Machining 2, Precision +/-0.002mm 3, Brass, Bronze, Copper, Steel ... Sandum ("In-saiL") is dedicated to manufacturing of precision parts used in every industy including automotive, machinery, sensor, automation, ... telecommunication, etc.We have more than 30 CNC machines and 150 cam-based auto lathes, and many ... , Zn, Ag, Ti, Cu, Au... Plating precision grinding parts