Place of Origin : Weifang,China
castiron drainage pipe:1.Material: Ductile iron,Website:http://www.sdwfweijia.com, Stainless steel , Steel, Grey iron, Aluminium alloy, Copper alloy etc.2.Process: Sand Casting.3.Heat Treatment: Quenching, Tempering, Annealing, Normalizing, Nitridation, Carburization.4.Surface Treatment: Zinc-Plated, Hot dipping galvanized, Polishing, Painting, Powder coating.5.Machining Equipment: CNC Machines, Turning Machines,Drilling Machines , Milling Machines, Grinding Machines,etc.6.Measuring Tool: CMM