... molybdenum rod ,molybdenum sheet ,molybdenum tube ,molybdenum foil , molybdenum wire ,and other molybdenum alloy products .2.Tungsten Series ... plate ,tungsten bars ,and so on3.Tantalum series : tantalum sheet ,tantalm strip ,.tantalum alloy foil .and othes .4.Niobium ... series : Nb seamlesstube ,and others5. Titanium series : ...