... , blockboard,floor boards etc Sanding Machine Model SRP1300-1 is mainly suitable for calibrating, sanding and polishing integrated materialsBoard, ... etc. Model SRP1300-2 is mainly suitable for calibrating, sanding and polishing solidboard, plywood,blockboard, composite floor etc. ... motors running, sanding belt swing and thickness display,Which guarantees the anti-jamming function of the machine. Model ...