It is fully computer controlled, automatic production line. It has features of high and stable output capacity, and highly automatic operation. According to the material situation, for HDPE, you can choose high efficient single screw extruder; for PVC, you can choose conical twin screw extruder or parallel twin screw extruder. The forming system of this line consists of mould and corrugator. The mould blocks can be easily changed and they are equiped with air or water cooling system. The production line also can be equipment with Siemens company logic control system.