Surface Treatment Electro Plating, Hot Dip Galvanized, Black Oxide, Electro Deposition Coating, Anodizing, Powder Coating, Painting, Laser Engraving, Physical Vapor Deposition, Water Transfer, Polishing. See Applications Factory Tour Production Process With surface technologies and pretreatment technologies, we provide solutions for functional coatings, for light metals, plastics and steel.