... experience in this industry specially for cement machinery,such as gear ringMaterial:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo ... on. We can provide OEM service for cement mill and rotary kiln casting parts,marine steel casting parts,sugar mill machinery ... a smooth surface.These following are the ring gear machining equipment.Dia 16m Gear Cutter HRØ16m CNC Double-Column Vertical ...