Resin Cored Solder Sn40Pb60 40/60 Welding MaterialsWelding is a vital process in modern manufacturing, used to join electronic components, metal structures, circuit boards, etc. Our resin cored solder 40 60 are available in 500g/roll and wire diameter in 1.2mm, 1.6mm, 2.3mm and 3.2mm, we are a Chinese professional manufacturer. Read More