SANKO METAL INDUSTRAL CO., LTD. is a Japan-based company principally engaged in the construction works of roofs, as well as the sale of related construction materials. The Company operates in two business segments. The Roof segment is engaged in the construction of long roofs, water-proof roofs, solar roofs and painted roofs, as well as the sale of long molded products and solar molded products. The Construction Material segment is engaged in the sale of residential molded products. The Company also engages in the wholesale of electricity generated by solar power to electric power company.