Sanko Metal Industrial Co., Ltd. engages in the manufacture and sale of roofing, paint, and construction materials. It operates through the following segments: Roofing, Building Materials, and Others. The Roofing segment deals with long roof, long moldings, solar panel construction, and paint works. The Building Materials segment sells housing molds. The Others segment includes electricity sales. The company was founded on June 16, 1949 and is headquartered in Tokyo, Japan.