... is produced by single-screw extruder through extruding cooking; the pellet can be different shapes like shell, spiral, square tube, ... circle tube, and so on. After drying, the pellet needs frying to get expanded.2>. Technical parameter model/parametersDL ... steaming, extrusion and shaping in one step without boilerMacaroni making machine adopts potato starch, potato powder and corn starch as ...