Zhengzhou LIUDU Mechanical Electrical Equipment Co.,Ltd. is a professional manufacturer of hot air welding machine and eyelet machine. We specialized in produce hot air welder for 10 years, our products have been exported to more than 60 countries and regions. Our R&D center owned by the company has obtained 19 national patents, digital constant temperature system, built-in suspension system, automatic dormancy function protection system, high power and high efficiency characteristics, etc., all of which are in an absolute leading position in the industry. The company's professional after-sales team promises a nationwide after-sales response mechanism within 24 hours (except overseas and holidays). Based on the customer-centered, technology-centered and quality-oriented business philosophy, we dedicated to providing high-quality products and quality services to customers around the world.