XPS foam board line is mainly composed of six parts of mixing system, extruder, foam agent injection system, traction system, conveying & cutting system, recycling& pelletizer system. The main configuration: raw material mixture and auto conveying equipment 75 parallel twin-screw extruder high pressure foam agent injection system type 150 extruder extrusion head foam table primary tractor transfer& cooling rack secondary tractor and width cutting equipment length cutting equipment recycling & pelletizer system.