... , Purple, Coffe,Silver, Copper, Bronze. Sepcification:-Grade:300, 400 Series(304.304L.316.316L.321.316Ti.430.410.409, 439 ... is one of the most specialized and the largest PVD multiple-arc ion coating enterprises in China. It is also the company that ... PVD processing are Vacuum Evaporation, Sputter Deposition, and Arc Ion Coating. Among them, Arc Ion Coating is the most advanced processing of all the PVD ...