1.ferro tungsten producer 2.packing in steel drum 3.size range:10-50mm 4.high quality We are a manufacture of ferro alloy in China. We produce ferro molybdenu, Mo Oxide and also ferro tungsten.ferro tungsten is mainly used as the alloy addition in steeling making.Properties: tungsten is one of the important alloy elements which are used to make special steel. While tungsten reduce a little ...