Ningbo Qingda Ultrasonic Technology Co., Ltd. It has now produced dozens of models (ultrasonic plastic welding machine, large multi-head ultrasonic welding machine) on a large scale. , Ultrasonic lace machine, ultrasonic spot welding machine, precision hot melt machine, large automatic hot plate machine, dedicated line hot melt welding machine, high frequency welding machine, high frequency induction heating machine, rotary welding machine) and so on. The company has a large number of welding experts, design engineers, manufacturing engineers, and materials experts to provide customers with rich knowledge and experience in plastic welding such as materials, process phenomena, welding equipment, and solder joint design.