| 1947 |
Since its establishment in 1947, our company has been guided by the credo 'Contributing to society through the development of our business' |
| 1947-10 |
Dissolution of the former Mitsubishi Corporation and establishment by related parties in Moji City (currently Moji-ku, Kitakyushu City) |
| 1961-10 |
Listing of shares on the First Section of the Tokyo Stock Exchange |
| 1974-01 |
Establishment of local subsidiary Seika Sangyo GmbH (currently a consolidated subsidiary) in Dusseldorf, Germany |
| 1981-04 |
Reorganization of headquarters structure to a two-headquarters system with Tokyo and Kitakyushu headquarters |
| 1983-05 |
Opening of Taipei Branch in Taipei, Taiwan |
| 1983-08 |
Transfer of Kitakyushu headquarters operations to Tokyo headquarters and establishment of Kitakyushu management office at Kitakyushu main store |
| 1983-11 |
Establishment of joint venture Tsurumi (Europe) GmbH with Tsurumi Manufacturing Co., Ltd. in Dusseldorf, Germany (currently a consolidated subsidiary) |
| 1990-12 |
Relocation of headquarters from Moji-ku, Kitakyushu to Kokurakita-ku, Kitakyushu |
| 1994-04 |
Establishment of local subsidiary SEIKA MACHINERY, INC. in Los Angeles, USA (currently a consolidated subsidiary) |
| 1994-08 |
Relocation of Osaka branch from Umeda, Kita-ku to Dojima-hama, Kita-ku |
| 2000-07 |
Opening of Seoul Branch in Seoul, South Korea |
| 2001-08 |
Relocation of headquarters from Kokurakita-ku, Kitakyushu to Chiyoda-ku, Tokyo |
| 2004-01 |
Established a local subsidiary, Seiya Trading (Shanghai) Co., Ltd., in China (Shanghai) |
| 2005-04 |
Acquired Japan Diya Valve Co., Ltd. |
| 2006-04 |
Opened Atlanta Office, a branch of the U.S. local subsidiary SEIKA MACHINERY, INC. |
| 2006-09 |
The subsidiary Japan Diya Valve Co., Ltd. established Tianjin Taia Valve Co., Ltd. (current consolidated subsidiary) in China (Tianjin) |
| 2008-08 |
Established Tenth Feet Light Co., Ltd. (current equity-method affiliate) |
| 2009-01 |
Acquired France's COMPAGNIE EUROPEENNE AFRIQUE ASIE S.A.S. (now Tsurumi France S.A.S.) as a subsidiary |
| 2012-04 |
Established Seihua Digital Image Co., Ltd. (current consolidated subsidiary) |
| 2012-10 |
Acquired Spain's HYDREUTES, S.A.U. as a subsidiary |
| 2012-12 |
Established Seika Sangyo (Thailand) Co., Ltd., a local subsidiary in Bangkok, Thailand (current consolidated subsidiary) |
| 2014-11 |
Established Tsurumi Pompes Location S.A.S. (now Tsurumi France S.A.S.) in Vener, France |
| 2015-02 |
Acquired Belgium's Marine Motors & Pumps N.V. (now MMPumps N.V.) as a subsidiary |
| 2015-04 |
Opened San Francisco Office, a branch of the U.S. local subsidiary Seika Machinery Inc. |
| 2015-05 |
Established Meinan Joint Energy Co., Ltd. (current equity-method affiliate) |
| 2016-03 |
Acquired Shikishima Kiki Co., Ltd. |
| 2017-10 |
Created a group logo on the occasion of the 70th anniversary |
| 2018-12 |
Established SEIKA SANGYO (VIETNAM) COMPANY LIMITED, a local subsidiary in Ho Chi Minh, Vietnam (current consolidated subsidiary) |
| 2020-01 |
Acquired shares of Obart Pumps (Holdings) Limited (now Tsurumi UK Limited) and Obart Pumps Limited (now Tsurumi Pumps UK Limited) through Tsurumi (Europe) GmbH, a local subsidiary |
| 2020-01 |
Merged Tsurumi Pompes Location S.A.S. and COMPAGNIE EUROPEENNE AFRIQUE ASIE S.A.S., renamed Tsurumi France S.A.S. (current consolidated subsidiary) |
| 2020-10 |
Established Seika Daya Engine Co., Ltd. (current consolidated subsidiary) |
| 2022-04 |
Formulated the long-term management vision (2022-2030) "VIORB 2030" |
| 2022-04 |
Transition to the Tokyo Stock Exchange Prime Market |
| 2022-06 |
Transition from a company with a Board of Auditors to a company with an Audit & Supervisory Committee |
| 2023-03 |
Acquisition of shares of TVE Corporation (currently a company accounted for by the equity method) |
| 2023-11 |
Establishment of Taiwan Xihua Industrial Co., Ltd. in Taipei, Taiwan |
| 2024-04 |
Made Tanaka Shipbuilding Co., Ltd. a subsidiary through share acquisition via Seika Daya Engine Co., Ltd. |
| 2024-06 |
Acquisition of shares of Nippon Fenol Co., Ltd. (currently a company accounted for by the equity method) |
| 2025-12 |
Made Asahi Sanac Co., Ltd. a subsidiary |
