... High power and high work efficiency 5.Disc polisher,polishing machine,sander Disc polisher,polishing machine,sanderCertificate: Certificate of CCC ISO9001 ... and easy to operate. 3.Can be equipped with 220V polisher and grinder.4.Designed to produce a flat, swirl ... , diamond polishing systems, light weight diamond wheels or brushes to grind, hone, polish or clean concrete, terrazzo, marble or granite ...