Extrusion system production line of snack pellets is used a wide range of raw materials, such as potato strach, potato power, tapioca, wheat flour, etc. Through SP-extrusion machine can get many beautiful snack pellets shape, such as shells, screws, rings, tubes (third generation pellets) or chips, wheels, flowers, etc. The extruded pellets become attractive snack food after frying and flavouring.