... saving Thermal break aluminum window out-opening casement window Main material Top-grade thermal break-bridge aluminum profileSurface treatmentElectrostatic powder ... hardware conclude Famous brand,brush,silicon sealant,lock,ect,all have high quality,Made in ... choice of High-grade buildingOpening styleCasement,sliding,tilt-turn,tilt-sliding,sing-hung,double-hung,ectCertificateISO9001-2008PackageUsually ...