1.Best material 2.With ceiling light. 3.Lasting surface treatment. 4.Rich perforation design and easy to install 5.clean Aluminum Single panel , aluminum honeycomb panel , curved aluminum honeycomb panel ,Alumium Curtain walls, Alumium (Great wall plate) 1.Can make different shape 2.Best material and very light 3.Outstanding technology offer more lasting color about 28 years. 4.Popular thickness: ...