PVD technology is widely used in the bathroom industry. It not only brings more colors and texture to bathroom products, but also brings super performance. Ceramic sanitary ware is widely used in bathroom products. The monotonous ceramic sanitary ware can get more colors by PVD coating. At present, all the high-end bathroom brands in the world, including Kohler, lega, Moen, American Standard, Toto, etc., and domestic Jiumu, Wrigley, brilliant, etc., are all in PVD coating production. At present, high-end bathroom products in the market are using PVD technology for surface color treatment. With the improvement of people's requirements for life quality, the proportion of PVD sanitary products is increasing year by year. In addition, with the attention to environmental protection, especially the demand to replace water electroplating, the application of PVD will be more and more widely.