Profile：The unique lead-free solder wire is made of high-purity tin and other metal materials, and is specially produced with a special flux. Its quality and performance are in line with national standards and international standards such as (JISIPC), widely used in soldering modified solder joints, and can provide different lead-free solder wires with different rosin content (1.2%~2.2%) and different alloy compositions according to customers' requirements.