stone polisher concrete grinding machine Grind,polish and crystallize Granite,Marble ,Terrazzo ... capacity(L)30Specification(L*W*H)650*750*130mm stone polisher This grinding machines and polishing machines , alterable frequency, alterable speed ... Granite,Marble ,Terrazzo , and clean the floor , etc.Artistic design, Aluminum alloy gearbox , open model.Centralized control ,convenient operation.It can ...