50g welding wire

50g welding wire,It is used for the welding of non-export electronic product circuit boards. It is suitable for welding of LED, household appliances, computers, microelectronics and other products (1) The solder joints are smooth, effective, and have excellent anti-oxidation electrical properties, (2) the sufficiency of the national standard does not steal a small amount of neat coiling, (3) the smell is fresh and there is no pungent odor, (4) the residue after no-cleaning and soldering, (5) the quality assurance is made of high-purity tin ingots, and (6) it is easy to use and solder-free, and the melting point is low