... manufacturer specializes in rosin cored lead free solder wire, solder bar, tin-lead solder wire, solder bar. The main products are as follows:lead ... free solder barSn0.7Cu, Sn3.0Cu, Sn3.5Ag, ... .5Ag0.75Cu, Sn-58Bi, Sn0.3Ag0.7Cu,tin lead solder barSn63Sn37, Sn60Pb40, Sn50Pb50, Sn37Pb63, etc. tin soldering bar Sn60Pb40