Copper plated steel grounding rods by electroforming technology special 99.9% copper uniform converage to the low carbon steel core,copper and steel core completely molecules (such as combination does not close, in the case of electricity, will produce the original battery reaction,anode metal iron oxidized into iron loss,but speed up the steel core by corrosion).It has a thick copper layer (0.25mm),the adhesiveness is good,not peeling (rolling thread) etc.It has the advantages of high tensile strength (up to 600N/mm2), strong corrosion resistance (which can ensure the service life of more than 30years),with stable low resistance and good plasticity,with the same performance as copper and together with feature of steel.