Feature: Elegant style, space saving, open inward or outward. Economic and reasonable structure, good water and air penetration. Materials: 70 series aluminum alloy extrusion, thickness from 1.4~2.0mm. Surface treatment: Powder coacting(thickness at 110um); Electrophoresis(thickness at 18um); Anodize coating( thickness at 12um) etc

aluminum alloy casement door