... -1200 mesh ,with mirror polished .C),Specification of the polish machine :D),Diameter 1000 - 8000 mm.E),Automatic polishing machine .Feature of ... .Roughness as 0.1 um4.Speed : 8m2/ h5.Automatic polishing machine .Machine advantages:1,Easy-handing and safety.2,Advantage design.3 ... and good heat distribution.5,Durable and reliable.6.Automatic polishing machine .If you have any questions,pls do not ...