SEISA's former company Osaka Chain & Machinery Ltd. was established in 1916. Today SEISA is a member of Power Transmission & Control Group of Sumitomo Heavy Industries Ltd and is determined to globalize our state-of-the-art technology and our proven and responsive after-sales field service of our products.
Based on the abundant experiences for over 100 years as the leading manufacturer of gears in Japan, SEISA has acquired international-standard technologies and achieved splendid results.
SEISA has developed its products in order to perform the basic function of gears, always transmitting powers between driving machine and connected machine at 100% level of satisfaction for both machines, and solved universal themes such as downsizing, lightening, high-efficiency and high-precision rotation. At present, SEISA products are working in various fields, getting high reliability from all clients.