... We can supply you Tantalum, Niobium and their alloys such as ingots, plates/sheets, foils, tubes, rods, bars, wires, ... sputtering We are the largest supplier of Tantalum and Niobium products in China ... convert them into various diamensions of Tantalum rod, Tantalum bar, Tantalum tube, Tantalum wire, Tantalum powder, Tantalum target, Niobium bar, Niobium rod, ...