1.Item:copper bounded steel ground rod 2.Diameter:3-800mm 3.Length:5.8m,6m, ... suitable for making rotor field pole coil of hydrogenerato. Item Copper bar ,copper rod ,Brass bar,brass rod Material T2,T1,TP2 ... -2006,etcDiameter 3mm~800mmLength 5.8m,6m,or as requiredApplication Copper bar is widely used in boat building, War industry, Car ...