... , K9, L=6000mm, T-Type joints Ductile cast iron pipes in accordance with ISO 2531, K9, L ... in accordance with ISO 4633Our main products are:++Iron and Steel Sand castings,++Investment castings, Precision ... Nylon injection parts.++Mold Design.Material available: Ductile Iron, Gray Iron, Stainless Steel, Carbon Steel, Alloy Steel, Brass ... investigation,negotiation and cooperation. Ductile Cast Iron Pipes