... Steel, Stainless Steel, Alloy Steel, Color Metal 1)Process: Investment casting & lost wax casing; 2)Material: Carbon Steel, Stainless Steel, Alloy ... )Surface Finishing: Polishing, Anodizing, Hard Anodizing, galvanized, ENP, Chrome plating, Powder Coating and Painting; 5)Quality Control; 6)OEM order is ... on your specifications such as drawing, design, sample etc investment Casting