... door and etc 3.surface:anodized, powder coating,mill finish, electrophoresis aluminium window frame 1. Material : Al 6063 2.Temper ... with different colour, like mill finish, anodized, powder coating, electrophoresis,ect. silver, gold,titanium gold,champagne,copper,acid and ... there are also a anodic oxidation production line, a electrophoresis production line and a powder coating production line with a ...