PVC Board Production Line The unit is comprised by a twin conical screws extruder SJSZ-65*22 and corresponding wave plate forming machine, tractor and cutting machine, can be used for continuous produce structural season resistance UPVC color block igniting plastic cement wave plate, if replacing the relevant components, the line can produce the chequer plank, possess steady molding performance, tight structure, high automation degree.If you have interests in our product ,plz don’t hesitate to contact us,then We will offer you the most competitive price and fine qualityas well as perfect service to you and your clients.