Aia solder wire is the most widely used active solder wire in the electronic industry due to its excellent soldering process, bright solder joints, reliable joints and small corrosion. Apply to soldering of electronic, instrument, household appliance, printing plate. Models have AA, a. , B , (the diameter of 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.3 mm), 40 PCS/CTN, if there is a quality problem, we solve.