Twintek Investment Holdings Limited, an investment holding company, provides building materials and installation services in Hong Kong. It operates through the Sales of Building Materials; and Construction Contracts segments. The company also offers construction and engineering services. Its products include timber flooring; interior wall-fill materials, such as gypsum block, plasterboard, and drywall partition products; interior composite panel lining products comprising SPC wall panels; demountable partition systems; fire protection board; and roof tiles, as well as floor heating systems. The company is also involved in the trade of building materials and property investment activities. It serves contractors. The company was founded in 1980 and is headquartered in Quarry Bay, Hong Kong.