1.CE certification 2.surface finish 3.suitable for marble,granite,etc 4.Trough vibrator 5.Piece from 30*30cm~90*60cm Vibrationg stone polishing Machine 1. It is suitable for surface finish processing of stone , metal or non-metal workpiece, including deburring,chamfering ,derusting oxidation layer, removing, strengthening of stone or metal surface, bright polishing .2.Surface processing before ...