| Material Handling Machinery Division of Sumitomo Heavy Industries Ltd. | Sumitomo Heavy Industries Engineering & Services Co., Ltd. |
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| 1888 | Founded as machine shop for Sumitomo Besshi Mining Co. | |
| 1912 | Completion of first Overhead Crane using own technology. | |
| 1928 | Renamed the Sumitomo Besshi Mining Niihama Works. | |
| 1931 | Completion of first Level-Luffing Crane. | |
| 1934 | Incorporated as Sumitomo Machinery Co., Ltd. | |
| 1940 | Named changed to Sumitomo Machinery Industries Co., Ltd. | |
| 1945 | Name changed to Shikoku Machinery Industries Co, Ltd. | |
| 1952 | Renamed Sumitomo Machinery Industries Co., Ltd. | |
| 1953 | Established separate Design Dept for material handling machinery. | |
| 1954 | Established Sobiraki Construction Co. | |
| 1960 | Completion of first Stacker-Reclaimer. | |
| 1969 | Merged with Uraga Heavy Industries to become Sumitomo Heavy Industries Ltd. | |
| 1974 | Name changed to Sumiju Engineering Co. Ltd. | |
| 1976 | Completed first Bucket Elevator Type Continuous Unloader. | |
| 1978 | Established Sumiju Technical Services Co.Ltd. | |
| 1991 | Name changed to Sumimec Co. Ltd. | |
| 1993 | Established Atsugi Service Station. | |
| 1994 | 100th Rubber Tyred Gantry Crane delivered. | Established North Kanto Service Station. |
| 1995 | Completed the world's largest grab dredger with capacity of 200m3. Completed world's largest Continuous Unloader for Ore handling . |
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| 1999 | Sumiju Technical Services and Sumimec merged to form Sumitomo Heavy Industries Engineering & Services Co.,Ltd. | |
| 2000 | Developed Remote Maintenance System. | |
| Sumitomo Heavy Industries Engineering & Services Co.,Ltd. | ||
| 2002 | Material Handling Machinery Division of Sumitomo Heavy Industries merged into Sumitomo Heavy Industries Engineering & Services Co. Ltd. | |
| 2004 | Completed Jib Crane with 100m outreach. | |
| 2005 | Performed installation of new Goliath Crane and moved an existing one in series. | |
| 2007 | Installed 300t Jib Crane at our Niihama Works. Established Training Center at our Niihama Works. Delivered 100th Jib Crane of our new design. |
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| 2008 | Completed 1200t Goliath Crane, the largest in Japan. Commenced sales of "Sybrid System" an energy saving device for Rubber Tyred Gantry Cranes. Commenced operation of dedicated Overhead Crane assembly line at our Niihama Works. |
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| 2009 | The advanced overhead crane "New Mascot" first unit delivery Our "Sybrid System" wins the Chairman's Commendation at the 29th Annual Excellent Energy Device Awards at the from the Japan Machinery Association Conference. |
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| 2010 | Deliveries of our Sybrid System crosses the 50 mark. | |
| 2011 | Established Siga Service Station. The Company celebrates its 100th year in the material handling machinery industry. |
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| MITSUBISHI HEAVY INDUSTRIES MACHINERY TECNOLOGY Co.,Ltd(MHIMT) | ||
| 1962 | MITSUBISHI HEAVY INDUSTRIES(MHI) started manufacturing Material Handling Systems. | |
| 1965 | MHI's first Ladle Crane was delivered to Nippon Steel Corp. | |
| 1966 | Mitsubishi Design Co.,Ltd was founded as an engineering company. | |
| 1968 | MHI's first Container Crane was delivered to Yokohama City. | |
| 1970 | MHI's first Containment Polar Crane for nuclear power plant was delivered. | |
| 1971 | Hiroshima Ryouju Engineering Co,.Ltd was founded as a designing company for machine tools and various industrial machines. | |
| 1972 | (MHI) 600t Gantry Crane was delivered to MHI's Nagasaki Shipyard & Machinery Works. | |
| 1973 | (MHI) 480t Ladle Crane was delivered to NKK Corp. | |
| 1978 | MHI's first Rubber Tyred Gantry Crane was delivered to Penang Port Commission. | |
| 1984 | MEC engineerig Service Co.,Ltd was founded as an engineering company for ship,crane,and control system. | |
| 1986 | MHI's first Post Panamax Quayside Gantry Crane was delivered. | |
| 1988 | (MHI)Coal Handling System was delivered to National Electricity Board of Malaysia. | |
| 1989 | Mitsubishi Design Co.,Ltd changed name to "Royusen Engineering Co,.Ltd". | |
| 1990 | (MHI)Automatic Coil Transportion System was delivered to Kawasaki Steel Corp. | |
| 1995 | MHI's Post Panamax Quayside Gantry Cranes (7units) and Rubber Tyred Gantry Cranes (26units) were delivered to Modern Terminals Ltd. Hongkong. | |
| 2002 | Hiroshima Ryouju Engineering Co,.Ltd was reorganaized as an engineering company specialise in tool development. | |
| 2008 | MHI's Rubber Tyred Gantry Cranes (24units) and Quayside Gantry Cranes (6units) were delivered to Tobishima Contanier Berth Co.,Ltd, for Automated Contanier Terminal. | |
| 2012 | MHI's Tow Business Units(Crane & Material Handling System and Rubber & Tire Machinery)and Three group company (MEC,Ryosen,Hiroshima Ryoju) were merged to become MITSUBISHI HEAVY INDUSTRIES MACHINERY TECNOLOGY Co.,Ltd. |
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| Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | ||
| 2013 | Name changed to Sumitomo Heavy Industries Material Handling Systems Co., Ltd., due to a merger with Logistics & Parkig System Division of Sumitomo Heavy Industries Co., Ltd. | |
| 2015 | 2015 Sumitomo Heavy Industrial Material Handling Systems Co.,Ltd., have taken over the material handling operations of Mitsubishi Heavy Industries Machinery Technology Co., Ltd. | |
