... ) or silicone sealant. 6.surface treatment: anodized, electrophoresis, powder coated,PVDF 7.color:Silver, white,green,grey,champagne, wood gain,black,bronze etc.can ... retractable flyscreen,horizontal sliding flyscreen. 11.Size:as per customers' sizes12. Characteristics:Aluminum single/double hung window, Stylish and customized design with easily ...