We buy Vanadium.

Vanadium is a chemical element with the atomic number 23 and the symbol V. It is a malleable, hard, silvery-grey transition metal. Approximately 80% of the Vanadium produced is used as a steel additive. Vanadium-steel alloys are extremely strong and are used in armour plates, axles, tools, piston rods, and crankshafts.