High frequency machine is the induction heating equipment with the highest heating efficiency, fastest speed, low energy consumption and environmental protection for metal and non-metal materials. The full name of high-frequency machine is "high-frequency induction heating machine", also known as high-frequency heating machine, high-frequency induction heating equipment, high-frequency induction heating device, high-frequency heating power supply, high-frequency power supply, high-frequency welding machine, high-frequency induction heating machine, High frequency induction heaters (welders), etc., as well as medium frequency induction heating equipment, ultra-high frequency induction heating equipment, etc. The application range is very wide.