PBO (Poly-p-phenylene benzobisoxazole) short fibers are processed from PBO filament according to the specific application requirements of customers. These short fibers are available in different lengths and can be used as reinforcing fibers for friction materials, sealing gaskets, reinforcement materials for various resins and plastics, heat-resistant cushion needle-punched felt for aluminum extrusion processing, and high-temperature filter materials for high-temperature filtration.