stranded copper clad steel wire 1.UL,CE,ISO9001 2. High copper layer adhesion 3.Low prices 4.Install convenient, XI ... materials. Surface for the oxygen-free copper. 4, High copper layer adhesion: are because copper layer and steel surface are a combination ... the same as pure copper products, so can directly substitute for copper conductors. Compared to pure copper earthing conductor, low price, the ...