... are capable produce castings and forgings up to 100tons 2,wear and heat resistance 3,all kinds of materials 5,OEM 1 ... ,Procuct information:Luoyang Zhongrong Foundry manufactures different metal castings,sand castings,part and other alloy ... casting part .2,Material:Ductile iron,Grey cast iron, Carbon steel, Alloy steel,Special alloy steel and stainess ...