◆  04. 1995  : Establish TAEJIN ENGINEERING

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  ◆  07. 1996  : Technical cooperation with EEC (USA)

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  ◆  05. 1997  : Apply MBBR SYSTEM to SAMSUNG NEC

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  ◆  04. 1998  : Technical cooperation with KALDNES (Norway)

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  ◆  05. 2000  : Apply MBBR system to LOTTE FINE CHEMICALS

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  ◆  06. 2000  : Establish TAEJIN ENGINEERING CORPORATION

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  ◆  12. 2000  : Registered as a venture company

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  ◆  06. 2004  : Technical cooperation with SONICO

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  ◆  05. 2005  : Acquisition of invention patent (2 items)

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  ◆  12. 2006  : Join in sludge reduction project in Daegu, Korea

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  ◆  09. 2009  : Patent acquisition (Odor removal system)

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  ◆  01. 2010  : Technical cooperation with VEOLIA

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  ◆  01. 2011  : Qualified for a Renewable Energy Facility Establishment

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  ◆  01. 2014  : Registered Water Quality Environment Construction Business

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  ◆  03. 2015  : Registered Water Quality Management Agency Business

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  ◆  03. 2015  : Registered Water Quality Measurement Agency Business