Dongguan Yongjia Machinery Co., Ltd (Suncarol Technology Co., Ltd) is a leader for plastic assembly solution. Innovation, performance, and service are the points for which clients chose us. From 2003, we developed many different kinds of plastic welding machines, such as:1. High frequency welder2. Ultrasonic plastic welder3. Spin welder4. Hot plate welder5. Automotive equipmentsWe are committed to excellence in products, service, and support for our customers. Our company maintains a strong foundation in engineering and a resolve to help our customers reach their goals. We are proud to guarantee our products against defects in workmanship for one full year. So never hesitate!! We do what you are looking for.