Plastic extruder screen changer is the key filtration part connecting the extruder and die head, mainly used to intercept the impurities, coke and unplasticized particles in the plastic melt, and at the same time, realize the non-stop screen changer in order to guarantee the continuity of the production, which is widely used in the plastics extrusion processing and the core of the function. Main application fields Plastic pelletizing field: covering PE, PP, PVC, ABS and other general-purpose pla