Deson Construction International Holdings Limited is a Hong Kong-based investment holding company principally engaged in construction contracting and related businesses. Its businesses include building construction works, electrical and mechanical engineering works and fitting-out works. Building construction works include the design and building foundation works for residential properties, superstructure works and alteration and addition works, among others. Electrical and mechanical engineering works include air-conditioning mechanical ventilation and electrical installation and fire services installation, among others. Fitting-out works include fitting-out works of offices, addition and alteration works, plumbing and drainage works, as well as floor heating works, among others. The Company operates businesses in Hong Kong, Mainland China and Macau.