セナーアンドバーンズ Company Overview

Business Activities

■ Design, construction, maintenance, and operational support of navigation aid facilities and associated facilities ■ Research, development, design, manufacturing, sales, rental, construction, and maintenance of systems, equipment, and accessories related to navigation aid facilities ■ Design, construction, maintenance, and operational support of telecommunications facilities and associated facilities ■ Development, manufacturing, sales, rental, construction, and maintenance of telecommunications machinery and equipment and their accessories ■ Manufacturing, sales, rental, construction, and maintenance of electronic devices, electronic equipment, electronic nautical charts, and their components related to navigation and positioning ■ Design, production, sales, and maintenance of operational software; development, manufacturing, and sales of telecommunications machinery and equipment and their accessories ■ Rental, construction, and maintenance of optical equipment, water treatment devices, ventilation systems, and other industrial-related devices, equipment, and their components, including manufacturing, sales, and rental

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