China W50 Tungsten Copper Plate, Copper Tungsten Plate, 30X100X200mm, 20W3 Tungsten Copper Alloy Electrode (elkonite), Find details about China Tungsten Copper Electrode, Electrode from W50 Tungsten Copper Plate, Copper Tungsten Plate, 30X100X200mm, 20W3 Tungsten Copper Alloy Electrode (elkonite)