... than 40 years experience in this industry specially for cement machinery,such as gear ringMaterial:Carbon steel, ... be widely used in the area of cement mill,rotary kiln,shipbuilding,metallurgy,mine,sugar mill ... so on. We can provide OEM service for cement mill and rotary kiln casting parts,marine steel ... moldMold halves shiftThere are no these problems for us.Uniform wall thickness will ensure uniform ...