... quality control Material: alloy steel,carbon steel,stainless steel ,A cast iron CNC MachiningProduct 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.