... , truck part ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, 40Cr,ect ... CNC milling center, CNC turning lathe, EDM , wire cutting machines. Our experiences and technology will be great ... surface finishing and only minor machining.The advantages of investment casting are:Excellent surface finish High dimensional ...