This curtain wall profile is used in tall buildings on a large ... require. 2)finish. various anodizing colors,powder coating,paiting or mill finish.3)Surface treatmen: andozied,electrophoresis, powder coating ... kraft paper.or meet the clients' requires6)Usage of the aluminum products: decoration,furniture,windows and door frame,curtain wall,conatruction,etc ... .40.150.250.04-0.35<0.05 curtain wall profile