Using PVD to vapor-deposit super-hard films can produce hard, wear-resistant, lubricating, corrosion-resistant, electrical properties, optical properties... and other films on the metal surface, changing the physical and chemical properties of the metal or ceramics to be plated ,The types of coatings are: titanium nitride TiN, titanium carbonitride/titanium carbide nitride TiCN, chromium nitride CrN, aluminum titanium nitride TiAlN/AlTiN, aluminum chromium nitride AlCrN, aluminum chromium nitride titanium TiAlCrN, TaCoN, Hitec , Diamond-like carbon DLC, please refer to various coating pages.