... workmanship 3,good performance aluminum residential window 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 ... CertificatISO9001:2008More detailed information, please contact us aluminum residential window