... , foils, tubes, rods, bars, wires, sputtering We are the largest supplier of Tantalum and Niobium products in China, ... Niobium rod, Niobium tube, Niobium wire, Niobium powder and Tungsten, etc., If interested, please don't ... standard from China directly.We can supply the products as follows:Tantalum products & parts : 1. Ta &Nb strip ... available upon customers requirement. tantalum and Niobium products