... sets in total; 2) Material: iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel with various plating ... ; 3) Surface treatment: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat ... and to prosper in the coming future. high quality cnc brass turning parts, Pipe Fittings (Reducing Tee)