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