Materials: cast iron, ductile iron cast iron drainage products,plumbing product cast iron drainage products,plumbing parts Materials: cast iron, ductile iron, brass, nickel brass, stainless steel, aluminumFeatures:1) Types: drainage products, plumbing parts2) Materials: cast iron, ductile iron, brass, nickel brass, stainless steel, aluminum 3) We can make products as per customers' requirements