Grand Ocean Advanced Resources Company Limited 

Synertone Communication Corporation, together with its subsidiaries, designs, researches and develops, produces, and sells automation control and intelligent building systems in the People's Republic of China, Hong Kong, and internationally. It operates through Building Intelligence, Control System, and Data Centre segments. The Building Intelligence segment provides video intercom system, security alarm solutions, and surveillance systems under the MOX brand for residential complexes; and smart home automation systems for new and existing households. The Control System segment offers automation hardware and software products, information systems platforms, as well as the industrial, monitoring, and scheduling management system solutions for municipal utilities industry. The Data Centre segment provides rental and maintenance services to computer equipment and machines, information technology infrastructure and platform, and robots, as well as other related services. Synertone Communication Corporation was founded in 2001 and is headquartered in Kowloon, Hong Kong.