... cast iron pipe fittings 5.sand casting pipe fittings Dalian Wills Machine Co., LtdWe are a foundry ... , we provide:1. casting OEM service2. CNC machining 3. material: cast iron, cast steel,aluminum ... Inspection:4, Raw Material ExportCasting1. Casting Material: Grey iron, Ductile iron, Alloy steel , Carbon Steel, Aluminum, Brass,etc2 ... assistant. 2011 sand casting CAST IRON ELBOW PIPE FITTINGS