By 2009,rhenium-tungsten wire is always sold to customers in the form of tungsten-rhenium thermocouples.From the second half of 2009 so far,sales of tungsten and rhenium wires by leaps and bounds.In recent years,Korea,Taiwan, Japan,Australia and Russia and other countries,LED the industry in full swing.Crystal growth furnace is used in key parts of which,including tungsten and molybdenum Crucible,tungsten and molybdenum rods,sheets and the tungsten-rhenium filament,tungsten and rhenium wires also plays an irreplaceable role.