We are a professional Chinese manufacturer of Solid Solder Wire 40/60 (alloy Sn40Pb60) 3mm 3.2mm 5kgs 10kgs 20lbs 25lbs Per Roll for Radiator Welding. In the field of metal processing and welding, solid solder wire 40/60 (alloy Sn40Pb60) is a commonly used welding material, especially suitable for the welding of copper radiators. Read More