APT Satellite Holdings Limited is an investment holding company. The Company's subsidiaries are engaged in the maintenance, operation, provision of satellite transponder capacity and related services; satellite-based broadcasting and telecommunications services, and other service. The Company, together with its subsidiaries (the APT Group), holds the entire interest of APT Satellite Company Limited. The Company, through the APT Group, operates in-orbit satellites, which include APSTAR-5, APSTAR-6, APSTAR-7 and APSTAR-9 (APSTAR Systems) covering regions in Asia, Europe, Africa and Australia, and providing one-stop-shop transponder, satellite telecommunications and satellite television broadcasting and transmission services to broadcasters and telecommunication customers of these regions. Its subsidiaries include APT Satellite Investment Company Limited, APT Satellite Company Limited, APT Satellite Global Company Limited and APT Satellite TV Development Limited.