CITICIC is a professional manufacturer, specialized in producing high-end castings and ADI(Austempered Ductile Iron). ADI is a kind of a ductile iron which is processed by a special heat treatment. From material structure point, ADI is austenite-bainite association, which is formed by bainitic ferrite and residual austenite stabilized by varbon and silicon. It has excellent comprehensive mechanical properties, like high strength, hardness, good impact toughness, and good working harden capacity.