Nagasaki Shipyard & Machinery Works

Nagasaki Shipyard & Machinery Works is spread over four sites: Main Plant, Koyagi Plant, Saiwaimachi Plant and Isahaya Plant.
As well as a range of ships, from large-size tankers and luxury cruise ships to LNG and LPG carriers, we produce various kinds of machineries, including thermal, geothermal and wind power generating plants, environmental protection systems, desalination plants.
With a strong record of supply to both Japanese and overseas customers, we are known worldwide for our forward-looking approach and the global scale of our activities.

Nagasaki Shipyard & Machinery Works (Main Plant)

The history of the main plant began with the establishment of Nagasaki Yotetsusho Foundry by the Tokugawa Shogunate back in 1857. The plant features the building berth, on which the "Musashi" was built, and 300,000-ton dry docks. These shipbuilding facilities have been used for the construction, repair, and conversion of a variety of ships, such as car carriers, container carriers, escort ships, The turbine shops own the manufacturing capacity of 4,000 megawatt annually, in which high-performance steam turbines such as for large-sized utility power stations up to 1,000 megawatt, geothermal power plants, marine-use and various industrial power stations are manufactured by highly automated facility. And also there exist electronics shop and fuel cell shop for advanced technology products.

Address: 1-1, Akunoura-machi, Nagasaki City, Nagasaki, 850-8610, Japan
Phone: 81-95-828-4121
Fax: 81-95-828-4034

Map (Network)

Koyagi Plant

Koyagi Plant is our largest, completed in 1972. The production facilities and methods employed there represent the concentration of corporate wisdom the company mobilized, that fully takes advantage of the 1,000 m long building dock.
Here, LNG carriers, LPG carriers and large tankers are built. Specialized boiler shops, the largest in the country, have an annual manufacturing capacity of 6,120 megawatt. These state-of-the-art facilities produce top quality, top performance boilers in large-size modules of up to 3,800 tons on highly automated production lines.

Address: 180 Koyagi-machi, Nagasaki City, Nagasaki, 851-0393, Japan
Phone: 81-95-834-3030

Map (Network)

Saiwaimachi Plant

Saiwaimachi Plant, located northeast of the Main Plant, stands alongside the Urakami River. The plant comprises of MET turbochargers, special machinery and foundry shops.

Address: 12 Saiwai-machi, 6-chome, Nagasaki City, Nagasaki, 850-0046, Japan
Phone: 81-95-824-3336

Map (Network)

Isahaya Plant

Isahaya Plant, located in Isahaya Industrial Park 5 kilometer west of Isahaya Railway Station (25 kilometer east of Nagasaki Railway Station), consists of a defense equipment assembly shop, solar cell factory and a space equipment shop that produces the attitude/orbit control systems for Launch Vehicle or artificial satellites.

Address: 53 Tsukuba-machi, 6-chome, Isahaya City, Nagasaki, 854-0065, Japan
Phone: 81-957-25-0845