... Thermal break aluminum window out-opening casement window Main material Top-grade thermal break-bridge aluminum profileSurface treatmentElectrostatic powder ... ect,all have high quality,Made in China or made in German or as your requestFeatures1. Thermal ... choice of High-grade buildingOpening styleCasement,sliding,tilt-turn,tilt-sliding,sing-hung,double-hung,ectCertificateISO9001-2008PackageUsually ...