Jinan Saixin Machinery Co., Ltd. produces the American single screw puffed snacks production line with reasonable design and stable performance. The extruder is made of special alloy screw, which is strong and wear-resistant; it has compact structure, small volume and simple operation; the equipment adopts single screw frequency conversion speed regulation technology, which has good expansion effect and soft taste; it is suitable for producing expanded foods of various shapes, such as wheat circles, rice cakes, wheat flavored chicken pieces, etc