grinding machinery Grind,polish and crystallize Granite,Marble ,Terrazzo Centralized control ,easily ... tank capacity(L)30Specification(L*W*H)650*750*130mm*Grinding machineryThis grinding machines and polishing machines , alterable frequency, alterable speed, ... and hard coatingsIt's for dry and wet use, optional grinding or polishing pads ,screw backer or Velcro backer..... grinding machinery