1, Turning, CNC Machining 2, Precision +/-0.002mm 3, Brass, Bronze, Copper, ... Sandum ("In-saiL") is dedicated to manufacturing of precision parts used in every industy including automotive, machinery, sensor ... , telecommunication, etc.We have more than 30 CNC machines and 150 cam-based auto lathes, and ... slotting .... OD Φ0.5~Φ25mm, length 2mm~70mm, precision +/-0.002mm tol. Finish: Ni, Zn, Ag, ...