Hebei Xirong Machinery Technology Co., Ltd is a company that specializes in scientific research,development and manufacturing of high-torque co-directional “?” shaped three-screw extruders and parallel co-rotating twin-screw extruders and their auxiliary engines. With so many senior engineers,expects, and on -site commissioning engineers, who have engaged in domestic plastic extrusion field for so many years,our company can meet customers’ various technical requirement and efficiently complete all kinds of orders. With the concept :seeking survival by quality ,and seeking development by reputation,our company is always in the leading position in the extruder industry.