We are a leading Chinese manufacturer and exporter of electronic solder series and flux series. Our range of products include solder series, including solder bar, solder wires, paste, lead free series and flux series, . Sn-Cu0.7 Sn-Ag3.5 Sn-Ag3.0-Cu0.5 Sn-Ag0.3-Cu0.7 Sn-Ag4.0-Cu0.5 Sn-Sb5 Sn- Bi58 Characteristics: (a): It was used for joining electronic components and circuit boards. We use high quality materials and production processes for strong, reliable welds. (b): We are able to provide custom product diameters and alloy compositions to suit our client's specific needs. 20kg/box.