These compounding lines designed to produce pellets / granules of a variety of polymeric materials. The main propose of the machine is to test different formulations of masterbatches and compound. These coumpound lines can integrate a single screw extruder or a co-rotating twin screw extruder, producing several strands that are cooled, cutted and dried at the end. The cooling system is ider a cooling tank with water or a special table with air blowers. These special lines have different configuration and sizes available.