Professional production of PE steel-plastic composite panel production line, the production line is used for PE aluminium-plastic panel production line for internal and external wall decoration, the effective width of the products is 1220～2050mm, the thickness of the products is 1.0～5mm, of which the thickness of the aluminium foil is 0.026～0.5mm, the specially designed screw structure is suitable for the production of regeneration return material, the output of the extruder is greatly improved compared with the others of the same kind. And the use of a new process, the technical indicators of aluminium foil composite panels - so that the aluminium foil plastic plate flatness, weather resistance aspects of the performance are improved accordingly. The equipment sells well in China and exported to Indonesia, Russia, Vietnam, India and other countries.