For metal parts with increased functionality, high precision grinding and polishing are indispensable. With our original tool technology to fininsh work piece materials on the order of microns, we long contributed super-finishing process. We offer a variety of abrassive stone for polishing various kinds of metals. There are wide applications for high-precision processing. Our products cover the surface for Automobile parts, Electric device, bearing, die assembly, crystal and quartz, optical glass, semiconductor and so on.