After treatment by various processes, the frameless door frame surface is resistant to acid and alkali erosion and free from air pollution, acid rain and ozone. UV resistant, long-term maintenance of inherent color and luster.
Various surface treatments can be carried out on the surface, such as powder spraying, anodizing, electrophoretic coating, wood grain transfer treatment and other surface treatment technologies, with a variety of colors and wood grains. There is a wide choice, which can meet the needs of various architectural decoration and put beautiful clothes on the buildings.