In 1919 We were founded as Nagasaki Steel Works of Mitsubishi Shipbuilding &£» Engineering Co., Ltd. We became independent as Mitsubishi Steel Manufacturing Co., Ltd., Nagasaki Steel Works in 1942, and were established as Mitsubishi Nagasaki Machinery Mfg. Co., Ltd., 1975, succeeding Mitsubishi Steel's steelwork, machinery and machining divisions.
Building on our casting &£» forging manufacturer period technology from when we were a part of Mitsubishi Steel, we continue research and development on our own to refine this technology, and with well balanced, high-level integration of engineering and manufacturing technologies, we are actively developing our products and business.