The material of aluminum single panel is made up of the face plate, stiffening rib, hanger and etc. The face plate takes the alloy aluminum plate as the base material which will then processed by face fluorocarbon baking paint after pre-treatment. The usual thickness is 2.0mm and 3.0mm and size is 1200*2400mm. In order to ensure the flatness and strength of Qinfeng aluminum single panel during long-time application, we connect the stiffening rib at the back of face plate by the bolt to make them a solid unity.