Construction Extrusion Frofile Aluminum Extrusion Profiles for Curtain Walls, Windows and Doors . We specialized in the aluminum extrusion profiles for 12 years. The aluminium profiles produced by unison are outstanding products. Aluminium profile plant is equipped with four extruded. The plant produces all different series of construction profiles and industrial profiles with length of up to 6.8 m and the maximum cross section diameter is 280 mm. Customers can choose all kinds of size profiles and our technicians provide them with best services and necessary technical data.