Rare earth high-speed rail aluminum cables are prohibited.

The use of rare earth high-speed rail in aluminum cables is not prohibited. Northwest optical cable co., ltd. mainly produces aluminum cables and rare earth high-speed rail. In response to the national strategy of replacing copper with aluminum and saving copper with aluminum, according to relevant public information, as of February 28, 2022, aluminum cables that can replace copper cables are still being used in China. Aluminum cable, rare earth high-speed rail, is a cable product with independent intellectual property rights, with a new type of rare earth high-speed rail aluminum alloy as conductor and flame-retardant silane crosslinked polyethylene as insulation.