1.self/automatic metal polishing machine. 2,Mini order:1set. 3,Feature:ISO9001:2000. 4.PLC Specifications:A),Polishing machine is used for polishing and buffing ... .Roughness as 0.1 um4.Speed : 8m2/ h5.Automatic polishing machine .Machine advantages:1,Easy-handing and safety.2,Advantage design.3,Almost full ...