Copper ScrapChina Tungsten Copper Rod, Copper Tungsten Rod, Cuw, W75, D30X200mm (elkonite) 10W3 Copper Tungsten Alloy Electorde, Find details about China Copper Tungsten Bar, Copper Tungsten from Tungsten Copper Rod, Copper Tungsten Rod, Cuw, W75, D30X200mm (elkonite) 10W3 Copper Tungsten Alloy Electorde