... good performanc 2012 aluminum casement window factory Materialaluminium profile,.thermal break profilesStyleAs order(casement,sliding,tilt&turn ... , Germany Siegenia, Kinlong)ScreenMetal and nylon material, Closely knit screen window for lessmaterial consumption.FeatureElegant style, ... open inward or outward.Economic and reasonable structure, good water and air penetration.Packageplastic film, Carton, ...