... High power and high work efficiency 5.Disc polisher,polishing machine,sander Disc polisher,polishing machine,sanderCertificate: Certificate of CCC ISO9001 certificateDelivery Time ... easy to operate. 3.Can be equipped with 220V polisher and grinder.4.Designed to produce a flat, swirl ... light weight diamond wheels or brushes to grind, hone, polish or clean concrete, terrazzo, marble or granite surfaces.6. ...