... casting parts Baoding Hairun Machinery And Equipment Trading Co., Ltd. mostly produces steel casting, alloy steel casting, gray iron casting, ductile iron casting, non-ferrous metal casting ... Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon, Steel, Aluminum ,Brass, BronzeClay Sand INVESTMENTSilica SolStainless Steel, Carbon Steel, Special Alloy Steel Bronze ...