Integrated development，producing, sales and service into a solid part, Tianjin Hyrun Electronics Ltd is a high-tech manufacturer dedicated in high frequency welding equipments.Our technical specialists has rich experience in welding machine development. Currently, we are producing 1.5kW to 25kW all series of high frequency plastic welding machine. To provide individualized service, we can also customize to client’s requirement for any special need. The following list is the patent names and the numbers which all legitimate rights are owned by our company. Power Output Control and Display Setting: Patent number: 20062015174519 Novel Resonant Cavity: Patent No.: 2005200271423 Spark Protection: Patent No.: 2005200265992