... , Sandum ("In-saiL") is dedicated to manufacturing of precision parts used in every industy including automotive, machinery, sensor, automation ... , and many other facilities such as drilling machine, grinding machine, threading machine, etc.Our manufacturing Capability:Turning ... OD Φ0.5~Φ25mm, length 2mm~70mm, precision +/-0.002mm tol. Finish: Ni, Zn, Ag, Ti, Cu, Au... Plating precision grinding parts