Extrusion Baked Puffed Snacks Processing Line is foodstuff equipment researched and developed by Saixin Company on the basis of international advanced technology. While the twin-screw extrudes the puffed hollow rolls and cakes, the production line injects different fillings such as cream, chocolate, peanut butter, etc. into the co-extrusion to give the puffed food a richer flavor. The cut of the extruded sandwich roll can be round, flat, open, or sealed. The whole process include feeder, extrusion, injection, shaping, dryer and flavoring; meanwhile, can make different shapes of snack food via changing the moulds.