Use high-quality Teflon, which has extremely stable chemical properties and excellent corrosion resistance. The Teflon tube wall is smooth and has moderate flexibility. There is slight vibration during use, so it is not easy to scale; the internal use of clustered tubular heating elements, Fast thermal response, high temperature control accuracy, high comprehensive thermal efficiency, not easy to breakdown, and more durable. Widely used in machinery, plastics, food, medical, textile, packaging, petroleum, machinery, chemical equipment, etc.