Tengda twin-screw extruder-a pioneer in the development of single screw extruder, specializing in custom design and manufacturing compounding systems for various plastics, environmentally friendly materials (such as biodegradable resins and water-soluble materials), chemical, food, pet food, medicine and other industries ; In order to promote the research and development of high-end twin-screw, we established a twin-screw business research and development department with 58 Research Institute of China North Industries Group. We have obtained ISO, TUV, CE certification, 15 utility model patents, 2 invention patents, and 1 appearance patent.