Sumitomo Heavy Industries, founded in 1888 and headquartered in Tokyo, is the diversified Tokyo Stock Exchange-listed industrial group whose rail-relevant activ Mitsubishi Electric (Mobility) · JR East · News
Sumitomo Heavy Industries, founded in 1888 and headquartered in Tokyo, is the diversified Tokyo Stock Exchange-listed industrial group whose rail-relevant activities sit within its Industrial Machinery and Mechatronics segments. Through power transmission, traction reducers, and material handling product lines, it supplies precision mechanical components to Japanese and international rail operators.