Wide-Belt Three-Head Sanding machine 1,three heads 2,good ... Fine Sanding and Polishing Main ParameterWide-Belt Three-Head Sanding machineWide Belt Sander : MM5313R-R-P Three Units Wide Belt Sander For Fine Sanding and PolishingTechnical ... and Safeguarding System110Limit and Protection System for Belt Movement311Pressing Work-piece System(Including press-evener)6 Wide-Belt Three-Head Sanding machine