... 3.auto parts 4.forging machining parts Baoding Hairun Machinery And Equipment Trading Co., Ltd. mostly produces steel casting, alloy ... gray iron casting, ductile iron casting, non-ferrous metal casting, and other material castings. We mainly use investment casting art, sand ... . the Machining foundries: we own suitable size of Lathe Milling machine,Grinding machine,Planer and so on. forging auto parts ...