Vacuum plating is used under the condition of vacuum, by distillation or sputtering methods such as in the deposition of various kinds of metal and nonmetal film on the surface of the plastic, get very thin surface finishes, fast adhesion good advantage, but the price is too high, can operate the metal type less, generally used as a high-end product of functional coatings, such as stainless steel. Water electroplating on heavy industry application is at present more (cars, etc.), and vacuum plating is widely used in household appliances, cosmetics packaging. The appearance of many phones on metal parts, use the PVD vacuum ion plating, can provide not only a beautiful color and good wear resistance.