... cores of rosin, excellent wettability, fluidity, flux-cored solder wire Spec: Lead free: Sn-0.7Cu,Sn-0.7Cu-Ni-Ce,Sn ... nickel plating part, galvanized part, Dumet wire, and copper, etc; and it is of high soldering speed, brightness, nice appearance, and reliable ... advanced technology from foreign countries and took the lead in manufacturing tin wire special for aluminum alloy in China. This kind ...