Indium is a supplier of electronics assembly materials, including solder pastes, solder preforms, fluxes, Pb-Free solder alloys, underfill materials, die-attach materials, and more. The company is also the world's premiere supplier of commercial grade and high-purity indium. Factories are located in North America, Europe, and Asia. Indium Corporation manufactures over 220 alloys with melting temperatures ranging from 10°C to 450°C, in many forms. We manufacture many engineered solder materials, and, of course, we're the world's leading refiner, producer, and fabricator of indium and indium chemicals.