There are three imported brands of cochlear implants, namely the United States, Australia, and Austria. There are three domestic brands, namely Norcon, Lishengte, and Aiyisheng. The company ranks first in imported cochlear implants in the United States Cochlear Ranking. Among sonova Group, which ranks first in the hearing industry, the domestic Cochlear Norkon is the most powerful. Australia has the largest number of implanters, and the United States has the highest cochlear implants in terms of product parameters. It is recommended to learn more about each brand before making a choice.