Aluminum and plastic composite panel extrusion line is the world new generation in the field of building and decoration material, it can be totally used as the substitute of the traditional material to build the curtain wall. It's better than ceramic tiles, glass, and marble in terms of decoration effect, physicalandchemicalproperties. Aluminum-plasticcomposite plate is warmly welcomed in the market due to its light weight, corruption resistance, high temperature resistance, impact resistance, sound insulation, visual decoration, etc. Its wide scope of use is recognized, and the insiders regard it as the top option to build the curtain wall. Over years of development, the process is getting mature, and the market is formed as an industry. Based on this, we developed a series of machinery to meet the up growing requirements of the customers for the following product: Non-easy-burn aluminum and plastic panel, aluminum and plastic panel, panel with granite marks, aluminum and plastic ceiling. KR-series aluminum and plastic composite panel extrusion line production principle: Polyethylene (PE) material is extruded via screw and shaped by mould and 3-roll calendar - combining with high molecular film - aluminum foil is combined at high temperature -cooling and shaping - protection film combining- longitudinal edge repair & cutting - final product.