Hanison Construction Holdings Limited, an investment holding company, engages in the construction 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, metal cladding systems, fire rated enclosure systems, firex boards, and poly boards to developers and main contractors; and supplying plumbing pipes and tubes, fittings, and other related accessories, including galvanized pipes, black pipes, stainless steel pipes and tubes, and polyethylene pipes. In addition, the company engages in the maintenance and renovation of clubhouses, shopping arcades, office premises, residential properties, industrial buildings, and institutional facilities; and property/project development consisting of land acquisition/feasibility study, design, construction, sales, and marketing services. Further, the company provides property agency and management services, such as property management, rental collection, agency, and leasing services; and sells health supplements, health care equipment, and traditional Chinese medicine. Additionally, it provides plant maintenance services. Hanison Construction Holdings Limited was founded in 1989 and is headquartered in Sha Tin, Hong Kong.