... workmanship 3,good performanc 2012 aluminum casement window factory Materialaluminium profile,.thermal break profilesStyleAs order(casement,sliding,tilt&turn,single hung ... , Kinlong)ScreenMetal and nylon material, Closely knit screen window for lessmaterial consumption.FeatureElegant style, space saving, open ... 2008More detailed information, please contact us 2012 aluminum casement window factory