China Tower Corporation Limited ("China Tower") incorporated on 15 July 2014, it has developed into the world’s largest telecommunications tower infrastructure service provider. China Tower was listed on the Main Board of Hong Kong Stock Exchange on 8 August 2018 (Stock Code: 0788.HK), raised approximately HK$58.8 billion. As of the end of 2018, the company’s total assets amounted to RMB315.4 billion. The Company has three main business segments: the tower and indoor Distributed Antenna System (DAS) businesses mainly uses sites resources provide service to telecommunications service providers (TSPs). The Trans-sector Site Application and Information (TSSAI) business segment mainly uses the sites dispersed nationwide and provide tower site resource and data information services to different industries. China Tower adheres to the “sharing” philosophy for business development, it promotes site co-location and provides a wide range of services to fulfill the specific needs of its customers. As of the end of 2018, China Tower managed 1.948 million sites across 31 provinces, municipalities and autonomous regions in the PRC, and served over 3.009 million tenants with tenancy ratio of 1.55.