Good quality and competitive price. With thermal break,moreenergy saving. Aluminum Window1.Profile: -alloy:aluminium 6063-T5 wall thickness 1.~1.4mm. -finishing:we can provide aluminum profiles with mill finish,powder coating,electrophoresis,white,wood grain,and other colors as requierd. 2.Good quality and competitive price. With thermal break,moreenergy saving. aluminum window