Supply Iron Castings Material: gray cast iron and ductile iron Melting facility: Electric Induction Furnacy supply gray cast iron and ductile iron, also supply various kinds of cast parts ... the buyer's drawings or samples:Ductile iron including: QT400, QT500, QT600, QT700; Gray cast iron including HT250, HT300, TH350Features:1) Moulding Process ...