... with ISO 2531, K9, L=6000mm, T-Type joints Ductile cast iron pipes in accordance with ISO 2531, K9, L=6000mm, T ... .++Plastic, Poly, PVC, Nylon injection parts.++Mold Design. Material available: Ductile Iron, Gray Iron, Stainless Steel, Carbon Steel, Alloy Steel, Brass ... Aluminum Alloy, Zinc Alloy etc. With many years service experience in this area, our products are totally exported to oversea clients ...