No difference. Hips pipe extruders are pipe machines manufactured by manufacturers after the country stipulates unified manufacturing standards. They are all of the same specifications and there is no difference. The extruder is one of the types of plastic machinery and originated in the 18th century. According to the direction of the material flow of the extruder head and the angle between the screw center line, the extruder head can be divided into a right-angle head and an oblique head.