1,We are capable produce castings and forgings up to 100tons 2,wear and heat resistance 3,all kinds of materials 5 ... 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 steel.3 ...