Diverse hydraulic cylinder products that support the backbone of industry.
We would like to introduce our hydraulic cylinder products. We have gained high trust in a wide range of industrial fields around the world, including civil engineering and construction machinery, industrial vehicles, general industrial machinery, and ships. In particular, we possess excellent development and production technology for small-lot high-quality products and special products for long and special applications, and we can respond meticulously to various needs such as performance, shape, and cost, from small to long and large cylinders. 【Product Lineup (Partial)】 ■ Derrick Cylinders ■ Tele Cylinders ■ Suspension Cylinders ■ Outrigger Cylinders ■ Shovel Cylinders *For more details, please download the PDF or feel free to contact us.
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【Other Lineup】 ■Multi-stage Cylinder ■Shield Jack Cylinder ■Lift Cylinder ■Marine Cylinder *For more details, please download the PDF or feel free to contact us.
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【Applications】 ■Construction machinery in general ■Industrial vehicles ■Factory equipment ■Ships *For more details, please download the PDF or feel free to contact us.
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Company information
Since its establishment in 1954, Koyo Seiki has consistently built a solid track record as a specialized manufacturer of hydraulic equipment. With development and production capabilities well-versed in hydraulic technology, Koyo Seiki's products are widely adopted in various industrial sectors, receiving broad support from multiple areas over the years. Particularly in the field of construction machinery, we take pride in our world-class long-stroke cylinder manufacturing technology. Furthermore, in recent years, we have strengthened our collaboration with companies in the Kawakami Holdings Group and are actively developing our own products using oil damper technology, which has garnered high praise both domestically and internationally in the fields of seismic isolation and vibration control.