Hanison Construction Holdings Limited is a Hong Kong-based investment holding company principally engaged in construction engineering businesses. The Company operates through seven segments. Construction segment is engaged in construction contract engineering businesses. Interior and Renovation segment is engaged in decoration and renovation businesses. Building Materials segment is engaged in the supply and installation of interior products and curtain walls, among others. Health Products segment is engaged in the wholesales of healthcare products and the operation of related retail stores. Property Investment segment is engaged in the leasing of residential and commercial properties. Property Development segment is engaged in the sales of residential and industrial properties, among others. Property Agency and Management segment is engaged in the provision of agency and management services for properties.