... manufacture sale of rare metal Tantalum alloy and Niobium alloy such as wire, tube, bar,plate,etc Changsha south tantalum niobium Co.,Ltd ... manufacture and sale of rare metal Tantalum,Niobium ,Tantalum alloy and Niobium alloy, series of products are available in all forms such ... welcome to China to visit our company. TANTALUM ALLOY S(Ta alloys) - Tantalum alloy (Ta10% W, Ta-10W, Ta10W) rods 3. 0mm ...