... shapes like shell, spiral, square tube, circle tube, and so on. After drying, the pellet needs frying to get expanded.2 ... and stable performance. It can finish steaming, extrusion and shaping in one step without boilerMacaroni making machine adopts potato starch, potato ... as main materials, to produce a variety of twice extrusion ones in different shapes, which are popular in the market, such as crisp ...