Exothermic Welding, Exothermic Welding Powder, Exothermic Powder manufacturer / supplier in China, offering Threaded Copper Bonded Earth Rod Both IEC UL Listed Earth System Ground Rod, UL467 and IEC Listed Copper Bonded Steel Ground Rod Threaded Type Size Customize Available, Both IEC UL Listed Grounding Rod Threaded Tpye Copper Bonded Steel Earth Rod for Earthing System and so on.