... machining parts Baoding Hairun Machinery And Equipment Trading Co., Ltd. mostly produces steel casting, alloy steel casting, gray iron casting, ductile iron casting, ... Iron, Stainless Steel, Carbon, Steel, Aluminum ,Brass, BronzeClay Sand INVESTMENTSilica SolStainless Steel, Carbon Steel, Special Alloy Steel Bronze ,Brass, AluminumWater glassFORGINGHammer ForgingStainless Steel, Carbon Steel, Alloy ...