Square Pressure Polishing Machine Polishing Disc Sanding Grinding Disk Stainless Steel FC/SC/ST/LC Disk A fiber optic connector polishing machine is a specialized precision optical device designed for fine grinding and surface finishing of fiber connector ferrules. It is core equipment in the mass production of fiber patch cords, pigtails, and optical communication components. By precisely polishing the connector end face, the machine eliminates surface scratches, resin