Copper ground bar using T2 pure copper as the main material for multi-wire connection provides a centralized location. It can be installed in the tower, indoor and outdoor base stations, and any other requirements for grounding place. It is strictly in accordance with the relevant IEC standard production of products for all types of terminal lugs, after surface treatment, good conductivity, no contact surface oxidation, to ensure a reliable electrical conductivity. The product is reasonable overall design, using standard insulators supporting and equipped with steel support, and finally fix in the desired position with expansion screws.