Maruichi Steel Tube plans new stainless steel tube plant for semiconductor equipment, invests ¥48 billion

Maruichi Steel Tube

Japan’s Maruichi Steel Tube announced its plan to establish a new plant for stainless steel tubes used in semiconductor equipment. The company plans to invest ¥48 billion (approximately KRW 416 billion) to secure the new plant.

Maruichi Steel Tube said it will build the 40,000-square-meter plant in Shimonoseki, Yamaguchi Prefecture, with construction to begin in April 2025 and completion expected in 2027.

The company said this major investment is part of a long-term development plan announced in October last year to meet growing demand for semiconductor equipment. The plant will primarily manufacture products used for industrial gas injection in semiconductor manufacturing processes.

The move is seen as a response to international semiconductor companies such as TSMC and related suppliers establishing large-scale facilities in Japan and planning to expand their local operations.

The Nihon Keizai Shimbun reported, “Maruichi Steel Tube recently acquired the former Chugoku Electric Power thermal power plant site near the headquarters of its group company, Maruichi Stainless Steel Tube, for 3.7 billion yen. The new plant is expected to cooperate with Maruichi Stainless Steel Tube.

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