About Us History
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February 1987
Established Sumiju Thermo Tech Co., Ltd. (15 million yen capital) and Sumiju Toyo Machinery & Engineering (7 million yen capital; limited private company)
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October 1990
Merged above two companies as Sumiju Tec Max Co., Ltd. (50 million yen capital)
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April 2000
Began production of mechanical models for Sumitomo Heavy Industries; changed company name to Sumiju Equipment System Co., Ltd.
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January 2002
Increased capital to 200 million yen
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June 2002
Acquired business rights of mechanical system models from Sumitomo Heavy Industries
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April 2003
Acquired business rights related to coke oven machines from Kobukuro Techno Co., Ltd.
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December 2009
Integrated steel structure and equipment business of Sumitomo Heavy Industries; changed company name to Sumitomo Heavy Industries Process Equipment Co., Ltd. (480 million yen capital)
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July 2014
Acquired distillation and extraction business rights from Sumiju Plant Engineering
