Why does the mobile phone in the movie "Air Rescue" call in Chinese?

Homer Kohler Tesser, the film's director, and Joseph, a Hollywood billionaire producer, insisted on it. In order to make audiences in non-English-speaking countries keep up with the fast and compact pace of the film and fully integrate into the plot, they require publishers all over the world to send translated text files of SMS conversations to the United States first, and they will make digital copies according to the languages and characters in the distribution areas. It is understood that in order to cooperate with this project, publishers in various regions have spent more than 10 thousand dollars.