... competitive according to customers’ drawings. 3:Material: Cast iron,Grey iron ,Iron, Steel ,Metal,Alloy steel,Stainless steel,Carbon steel, Bronze, Alloy, Brass, Copper,Aluminum,Plastic etc ... kinds of castings, including carbon steel castings, stainless steel castings, alloy steel castings,cast iron castings,grey iron castings,ductile iron castings,aluminum castings,zinc castings ...