Brief：cognized in China Sinopec, China National Petroleum, the national electricity company, and gradually be widely used. http://www.chinagroundrod.com/

Sectional ground rod are mainly used in the grounding device. Due to its good conductivity, corrosion resistance, tensile strength, low prices, etc., The sectional ground rod and have been recognized by the United States Institute of Electrical and Electronics Engineering (IEEE) standard, BS standard and International Electro technical Commission (IEC) standards. In China, have beenrecognized in China Sinopec, China National Petroleum, the national electricity company, and gradually be widely used.  http://www.chinagroundrod.com/。