... main products are: copper bus bar, aluminum bus bar, copper, aluminum, copper-aluminum flexible connectors, copper-aluminum transitions. In ... to customers’ requirement. The specification of the copper bus bar as follows:nameCopper bus bartechnology parametersmaterialCopper ... cathoderesistivity≤0.01777Ωmm²/m Copper content ≥99.95%hardness≥HB65 density≥20° ...