Ultrasonic Electric Soldering Iron And Soldering Soldering is similar to soldering. Soldering is a welding method that uses low-melting metal solder to heat and melt, and then penetrates and fills the gap between the metal parts. Ultrasonic soldering irons are usually used for soldering. Ultrasonic electric soldering iron is mainly used for soldering of materials and has the advantages of environmental protection, energy saving, and convenience. Soldering irons are commonly [...]