Manufacturing of glass fiber and its products; Sales of glass fiber and its products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Sales of glass fiber reinforced plastic products; Manufacturing of glass fiber reinforced plastic products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal materials; Sales of metal materials; Sales of metal products; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Technical services, technical development, technical consultation, technical exchange, technology transfer, technology promotion; Manufacturing of engineering plastics and synthetic resins; Sales of engineering plastics and synthetic resins; Manufacturing of synthetic fibers; Sales of synthetic fibers