Copper busbar is one of the main varieties of copper processing materials. Copper busbar has high mechanical properties, good electrical conductivity, thermal conductivity, excellent corrosion resistance, electroplating, brazing, beautiful and beautiful metallic luster and good forming performance, etc. Power transmission and transformation, electrical equipment, etc. have been widely used in the field of electric power. In recent years, with the sustained and rapid development of the national economy, the output and consumption of copper busbars in my country have also increased significantly, and the quality requirements for copper busbars are also increasing.