APT Satellite Holdings Limited, an investment holding company, maintains, operates, and provides satellite transponder capacity and related services, satellite-based broadcasting and telecommunications services, and other services in Hong Kong, Mainland China, and internationally. The company provides satellite internet and broadband satellite IoT services; video transmission, satellite TV uplink, and occasional use transmission services; and teleport, satellite technical consulting, system integration, data center, and earth observation services. It also offers maritime and aviation solutions; and localized services. In addition, the company provides a range of Ka-band, HTS, and Ku-band transponder leasing services. Further, it operates in-orbit satellites consisting of APSTAR-5C, APSTAR-6C, APSTAR-7 and APSTAR-9, APSTAR-6E and APSTAR-6D in Asia, Oceania, Middle East, and Africa. Further, the company engages in the provision of management and project management consultancy services. The company was founded in 1992 and is headquartered in Tai Po, Hong Kong. APT Satellite Holdings Limited is a subsidiary of APT Satellite International Company Limited.