... 3.auto parts 4.forging machining parts Baoding Hairun Machinery And Equipment Trading Co., Ltd. mostly produces steel casting, alloy steel ... iron casting, ductile iron casting, non-ferrous metal casting, and other material castings. We mainly use investment casting art, sand ... A 356T6; 380)B. the Forging foundries produce: forgings and stampings (all kinds of materials)C. the Machining foundries: we ...