Nakanishi Inc manufactures high-speed rotary cutting technology for the dental industry and the medical industry more broadly. The company distributes its products to countries internationally, earning most of its revenue overseas. The company operates via three business segments. The dental product segment manufactures and sells handpieces for dental treatment, mechanical micro motors and handpieces as well as handpieces for surgeries. The industrial product segment manufactures and sells grinders for manual works and spindles for machinery attachment. The others segment provides inspection and repair services for its dental and medical equipment and general industrial cutting and grinding equipment.