C10200 copper plate is a high-purity oxygen-free copper material with a copper content of more than 99.95%, no oxygen and deoxidizer residues, and trace impurities. This copper plate has excellent electrical and thermal conductivity, excellent plasticity, excellent welding performance, and no hydrogen embrittlement, so it is widely used in electrical and industrial fields, such as electric vacuum equipment, waveguides, electronic components, cables, etc.