Has the characteristic of lead, tin wire: electrolytic materials, bright spot, good wettability, easy on the tin. Tin tin line/silk diameter can be customized according to customer (0.5 3.5 mm). Compound flux, welding splash, not can be tailor-made according to customer. Is not broken on the uniform flux distribution, wire core flux phenomenon. Winding and tidy, do not knot, easy to welding operation, high work efficiency.