THK Co., Ltd. is a Japanese manufacturer of linear motion and mechanical components used in industrial equipment and precision machinery. The company is best known for its linear motion (LM) guides, which support smooth, accurate movement in machine tools, industrial robots, semiconductor manufacturing equipment, and other automated systems.
THK’s product portfolio also includes ball screws, actuators, cross-roller bearings, spherical plain bearings, and related mechanical components and systems. These products serve customers in areas such as factory automation, electronics manufacturing, transportation equipment, medical devices, construction machinery, and other industrial applications. The company also provides seismic isolation and vibration-control products for buildings and infrastructure.
Founded in Japan in 1971, THK has expanded its manufacturing, sales, and service activities internationally. Its products are marketed across Japan, the Americas, Europe, and other parts of Asia through a global network of subsidiaries and facilities. THK Co., Ltd. is listed in Japan, while THKLY represents its American depositary receipt traded over the counter in the United States.
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