1.Continuous Cast, High density,Super Wear Resistance 2.Material: Gray,Ductile,Alloy Cast Iron 3.DN:60-320mm,Thickness 5-25mm Based on horizontal continuous casting for cast iron profile(dense bar),we've developed new casting tech ‘physics force field confinement and shaping continuous casting’ in 2006, by using this tech we manufactured new kind of cast iron profiles ---Cast Iron Hollow Bar , ...