... alu.sheets surface NO.4,Hairline belt grinding finishing polishing machine 1.metal sheet polishing grinding stainless steel alu.sheets surface ... NO.4,Hairline belt grinding finishing polishing machineMain applications:It is suitable for NO.3, NO.4, Hairline, Scrotch-brite ... thickness: 0.5-5mm; feed speed: 5-30m/minDry grinding machine also includes:Conveyor bed, precisely up or down, on 4 ...