Tianyi Ai Music Culture Technology Co., Ltd. (hereinafter referred to as Tianyi Ai Music), formerly known as the Digital Music Operation Center of China Telecom Group, is now a wholly-owned holding company of China Telecom Corporation. Officially established on June 20, 2013, it is the fourth business base of China Telecom to initiate corporate restructuring after Tianyi Video, Tianyi Games and Tianyi Reading Base. Responsible for the exclusive operation of China Telecom's music content-related products, platforms and services, with over 250 million users, including over 100 million mobile Internet music users, and business coverage across the country.