... suitable for calibrating, sanding and polishing plywood, blockboard,floor boards etc Sanding Machine Model SRP1300-1 is ... polishing integrated materialsBoard, solid board, composite floor, plywood, blockboard etc. Model SRP1300-2 is mainly suitable for calibrating, ... sanding and polishing solidboard, plywood,blockboard, composite floor etc. Model SRP1300-3 is mainly ...