Promotion services for new materials technology; research and development of new materials technology; manufacturing of non-metallic mineral products; sales of non-metallic minerals and their products; manufacturing of plastic products; sales of plastic products; sales of engineering plastics and synthetic resins; sales of machinery and equipment; sales of building materials; retail of hardware products; research and development of hardware products; leasing of non-residential real estate; housing leasing; processing and treatment of non-metallic waste and scraps. (Except for projects that require approval according to law, the business activities are conducted independently in accordance with the business license.) Permitted project: mining of non-coal mine resources.