... 100% quality control Material: alloy steel,carbon steel,stainless stee ductile iron CNC MachiningsProduct Name: Machining partMaterials: carbon steel, alloy steel ... , stainless steel,Ductile iron,Gray iron,AluminumItems: FOB NingBo or ShangHaiLead time, 30 -40 daysPlace ... They are using for machinery or train,or truck, pipe connection and others.