The application in copper with tungsten electrode：Electronic spot welding machine、Collision welding machine、hot press、Ultrasonic welding machine etc. Use on USB welding.FPC+PCB welding,FFC+PCB welding etc. Electronic precision spot welding in precise welding.likeWelding of high-frequency communication components. Welding of SMD Transformer Leads. Welding of Chip Inductive Coils. Welding of Inductive IC Card Coil. Welding of buzzer leads. Welding of receiver leads. Welding of speaker leads. Welding of earphone leads. Welding of Vibration Motor Coil. Welding of clock coil.