... you need 2.High quanilty standards 3.Export packaging standards PVC windowStyle-casement windowsProfile- 2.5mm thickness with 3,4,5 ... wood grainSteel-0.8mm-1.2mm stainless steel put into pvc profilesGlass-5mm, 6mm, 5mm+6A+5mm,6mm+9A+6mm, ... -proof,water -proof,sound insulation,thermal insulation,anti-aging,good combustion-retarding performance,resist impacts,easy maintainPackage-Foam ,hard paper,packing ...