"High-strength oxidation-resistant aluminum alloy conductive wire core and its manufacturing method" has been granted the invention patent right, and is applying for patent rights in 12 countries including Japan and Russia. The Ministry of Housing and Construction, State Grid, State Fire Administration and other departments have widely recognized the application of this new technology in China, and the safety performance, electrical performance and mechanical performance of the products meet the requirements of the current national standards in China. Hebei Kelite Cable Co., Ltd. has independently developed a high-tech, new-type rare-earth high-iron aluminum alloy power cable after years of digesting and absorbing the advanced technology of AA-8 at home and abroad, which has broken through the technical problem of "replacing copper with aluminum" that has not been broken in China for many years, and has obtained many domestic patents, among which "High-strength oxidation-resistant aluminum alloy conductive wire core and its manufacturing method" has been granted the invention patent right, and is applying for patents in 12 countries including Japan and Russia. The Ministry of Housing and Construction, State Grid, State Fire Administration and other departments have widely recognized the application of this new technology in China, and the safety performance, electrical performance and mechanical performance of the products meet the requirements of the current national standards in China?