The function of the filter is to remove molten gel particles and impurities in molten materials so as to improve the performance of molten materials and ensure the quality of spinning extend the mechanical life of spinning components, improve the utilization of equipments and increase production. Polyester POY, PP, Non-woven. PA(PA6.PA66)nylon, all kinds of composite yam. Product segmentation is based on the different technical and engineering requirements of POY/PAPOY/Non-woven pure chip spinning/PET bottle chip spinning(recycled PET chip spinning)