Ventilation and cooling

Fuel preparation and supply

Electronics

Hitachi, Ltd. is a Japanese multinational conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group and was part of the Nissan zaibatsu, and later the DKB Group and the Fuyo Group before DKB and Fuji Bank were merged into the Mizuho Financial Group.