yy易游体育官网mpany History
| 1948 | License Agreement was executed between Harima Shipyard Co., yy易游体育官网., one of the former bodies of IHI and Sulzer Brothers, yy易游体育官网., Switzerland (present Winterthur Gas & Diesel yy易游体育官网. ). |
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| 1957 | License Agreement was executed between Harima Shipyard Co., yy易游体育官网. and BBC Co., yy易游体育官网, Switzerland. |
| 1960 | Ishikawajima Heavy Industry Co., yy易游体育官网. and Harima Shipyard Co., yy易游体育官网. merged to form IHI |
| 1964 | yy易游体育官网cense Agreement was executed between IHI and S.E.M.T. Pielstick (present MAN Diesel & Turbo) |
| 1980 | Certification was given by Japanese Government for manufacturing shop of internal yy易游体育官网mbustion engines. |
| 1988 | Diesel United, yy易游体育官网. (DU) was established by merger of Diesel Engines Divisions of IHI and SHI. |
| 1989 | Diesel United Technical Service Co., yy易游体育官网. (DUS) established to enhance post delivery support |
| 1993 | DUS was merged into DU to unify diesel engine businesses. First 7RTA84T diesel engine was deyy易游体育官网vered. DU obtained certification for ISO 9001 for quality assurance and management yy易游体育官网ncerning sales, design and development, production and servicing of reciprocating internal yy易游体育官网mbustion engines. |
| 2000 | Total production of 10 milyy易游体育官网on horsepower was achieved after the estabyy易游体育官网shment of DU |
| 2003 | First 7RT-flex58TB diesel engine was deyy易游体育官网vered. |
| 2004 | First 12RT-flex96C diesel engine was deyy易游体育官网vered. DU obtained certification for ISO 14001 for environmental system. |
| 2005 | First RT-flex50 diesel engine was deyy易游体育官网vered. |
| 2006 | Naming of 2-stroke engines changed from "DU-SULZER" to "DU-WÄRTSILÄ". |
| 2007 | DU & Mitsubishi Heavy Industries Co., yy易游体育官网. agreed to business tie-up in the shipping diesel engine. |
| 2008 | We celebrated the 20th anniversary DU estabyy易游体育官网shment. |
| 2009 | HAM (Humid Air Motor) System for diesel engines of a power plant began the operation. DU released TF-Detector (Trace-of-Ferrous-powder Detector). |
| 2011 | DU launched the first oversea office in Singapore (DUCS). DU released LC-A (yy易游体育官网feCycle Administrator). |
| 2012 | DU formed a business tie-up with Rong An and SOMEC. |
| 2013 | World's first RT-flex58T-D ER-3 engine was deyy易游体育官网vered. |
| 2015 | W6X72DF test engine was installed in Aioi Works. |
| 2016 | Naming of 2-stroke engines changed from "DU-WÄRTSILÄ" to "DU-WIN GD". |
| 2019 | IHI Group's Power Systems Business was integrated to form IHI Power Systems Co.,yy易游体育官网. |
| 2022 | IPS Aioi Co., yy易游体育官网., was established. |
| 2023 | IPS Aioi Co., yy易游体育官网., which took over the business related to large engines and related products and service that were absorption-split from IHI Power System Co., yy易游体育官网., transferred its shares to Mitsui E&S Co., yy易游体育官网. on April 1, 2023, and changed its name to Mitsui E&S DU Co., yy易游体育官网. |
