... of the polish machine :D),Diameter 1000 - 8000 mm.E),Automatic polishing machine .Feature of the polishing machine :1.Using cloth ... polished .2.Frequency speed control ,high quality .3.Roughness as 0.1 um4.Speed : 8m2/ h5.Automatic polishing machine .Machine advantages:1 ... ,Easy-handing and safety.2,Advantage design.3,Almost full automatic control.4,Equality heat and good heat distribution.5,Durable ...