1.Material:Steel,Iron,Stainless Steel 2.Certificate:ISO 9001:2000 3.Professional Service 4.High Quality, Best Price ItemDescriptionMaterialTechnical Process1Ductile iron castings ASTM A 536-Gr.60-40-18, 65-45-12DIN-GGG40, GGG50, GGG60, GGG70JIS-FCD40, FCD50, FCD60, FCD70BS-Gr370-17,Gr420-12, Gr500-7NF-FGS370-12, FGS400-12, FGS500-7Green-sand moulding Resin-sand mouldingLost foam castShell-core ...