The Japan Steel Works, Ltd. engages in the provision of industrial machinery products, and material and engineering business in Japan and internationally. It operates through Industrial Machinery Products Business, and Material and Engineering Business segments. The Industrial Machinery Products Business segment offers plastic production and processing machinery, such as pelletizers, film and sheet manufacturing equipment, and twin-screw extruders; molding machines including plastic injection molding, magnesium injection molding, and blow molding machines; and other machinery consists of excimer laser annealing systems, defense equipment, railway products, hot press devices, vacuum laminators, and deposit systems, as well as after-sales services for plastics, mobility, high-performance batteries, electronic devices, and defense applications. The Material and Engineering Business segment provides steel casting and forgings, such as reactor and steam generator parts, rotor shafts, turbine casings, die steel, steel rolls for steel manufacturing, and clad steel plates; and engineering and other services, including design and analysis, welded structures, inspection and survey, and hydrogen pressure accumulators and related products for use in power generation equipment, renewable energy, and infrastructure applications. The company offers photonics, composite materials, and metallic materials for use in semiconductors and electronic devices, cameras and sensing devices, aircraft and mobility components, and electronic parts. The Japan Steel Works, Ltd. was founded in 1907 and is headquartered in Shinagawa, Japan.