China Tower Co., Ltd. is a Chinese communications tower infrastructure service provider. The company has three main business units. Based on the site resources, the tower business unit carries out macro and micro station services with communication operators (TSP). The Room Division Service (DAS) department mainly provides indoor split antenna systems to communication operators and connects their communication equipment. The cross-industry site application and information business department mainly provides site resource services, including infrastructure, maintenance services and power services, to customers from different industries based on the website. to load different equipment from customers in different industries and help them establish a variety of national or local networks.