nickel-plated iron(copper) wire using advanced continuous plating process at abroad .used as lead wire electric part widely.The core bar making this products is pure ferro contained Titanium byTaiyuan by steel-iron group. （Specification）：0.20mm-2.50mm （Thickness of single surface） ： 6-7um 　 （Elongation）： ≥25% （Dia.erro）：?.01mm