Welding RodChina Dia1.6mm, Dia2.0mm, Dia3.0mm Wt20 Tungsten Rod Thoriated Tungsten Electrode for Welding, Find details about China Thoriated Tungsten Electrode, Tungsten Electrode for Welding from Dia1.6mm, Dia2.0mm, Dia3.0mm Wt20 Tungsten Rod Thoriated Tungsten Electrode for Welding