1 bugles snack making machines are made by stainless steel, this line is with reasonable design and with high automation; 2 the screws of puff frying snack production line are made by alloy steel, with building block system structure and self-cleaning function 3 Raw material of bugles snack making machine: Wheat flour, potato starch, potato flour, corn starch, cassava starch and so on. 4.After-sales Service Provided: Free spare parts, Field installation,Commissioning and training, Field maintenance and repair service, Video technical support, Online support.