... technical equipment 4,riched engineer DUCTILE CAST IRON:1.Silicasol process precision casting and soluble glass precision casting2.Material: Grey iron,Ductile iron, Steel, Stainless Steel, Carbon steel ... Treatment, polishing, plating, machining, ect.5.Application: Industrial parts, Machinery parts, hardware, construction parts, valve/valve partsOur Castings equipments:60t LF ladle refining ...