This process line uses potato starch, corn dtsrch, cassava starch, wheat flour a materials produced various shapes second inflating food. This line is reasonable design, high automation, extruding parameter exactitude controlled. Main extruder has high and low pressure screw, enwide the scope of raw material, reducing processing cost and modify the product quality. Main products: screw, shell, round tube, square tube, ring, cartoon shape and sport shape etc.