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The Koyagi Plant of the Nagasaki Shipyard. It builds large ships and offshore structures.
About this place
The Mitsubishi Heavy Industries Nagasaki Shipyard is a shipyard and factory of Mitsubishi Heavy Industries in Nagasaki and Isahaya, Nagasaki Prefecture. Its official name is Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard. Abbreviated “Nagasen.” Together with the Shimonoseki Shipyard and the Kobe Shipyard of Mitsubishi Heavy Industries, it is one of the company’s main factories and shipyards, and is the company’s birthplace.
Source: Wikipedia (CC BY-SA 4.0)
Source ja.wikipedia.org ↗Key facts
Field：Large ships, offshore structures
Source pref.nagasaki.jp ↗Official website
Check the official website for current opening hours, fees and closing days.
Source mhi.com ↗Before you go
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Information checked on: 2026-09-03
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