Drill head is made of the high strength steel # 45 and produced by special hardening treatment process. It uses the thread ( or riveted) fixed to the ground rods, which is conducive to the grounding....
Zhejiang Huadian Lightning Protection Technology Co., Ltd. Is a comprehensive high-tech enterprise integrating science, industry and trading, engaged in the production of lightning protection and....
Earthing electrode are mainly used in the grounding device. Due to its good conductivity, corrosion resistance, tensile strength, low prices, etc., Earthing electrode can be widely used, and have....
Copper bonded earth rod are mainly used in the grounding device. Due to its good conductivity, corrosion resistance, tensile strength, low prices, etc., Copper bonded earth rod can be widely used, ....