Hanison Construction Holdings Limited, an investment holding company, engages in the construction, decoration, maintenance, and building materials business in Hong Kong. It operates through seven segments: Construction; Interior and Renovation Works; Design, Supply and Installation of Building Materials; Sales of Health Products; Property Investment; Property Development; and Provision of Property Agency and Management Services. The company operates as a builder for residential, commercial, and industrial properties, as well as educational and recreational facilities; and provides design-and-build services. It is also involved in supplying and installing of building materials, such as kitchen cabinets, timber flooring, engineering flooring, suspended ceiling systems, Firex Board, and polyboards; and supplying plumbing pipes and tubes, fittings, and other related accessories, including galvanized pipes, black pipes, stainless steel pipes and tubes, and polyethylene pipes.