It was established in 1946, by inheriting the land and equipment of the Sasebo Naval Arsenal of the former Imperial Japanese Navy. The main industries are ships, the shipbuilding and remodeling of ships, and repairs, but the new shipbuilding business was suspended only in January 2022.Nishinippon Shimbun dated January 13, 2022 It also handles maintenance and repair of vessels of the Maritime Self-Defense Force and the US Navy, which have a base in Sasebo City. In addition, it manufactures marine machinery, chemical industry machinery, and forgings (marine crankshafts, etc.). In marine crankshafts, although it does not reach the top share of Kobe Steel, it is still one of the major manufacturers in Japan.The Japan Maritime Daily dated November 10, 2004 Shipbuilding factories and machine shops are located in the Tategami-cho area.
