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2023
- FebExpansion of PE Coating Extruder 90mm
- JanExpansion of EAA Coating Machines and Commencement of Mass Production
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2022
- AugExpansion of the second factory
- MarIncorporation transformation to Seungsan Corporation
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2019
- MayDesignation as an IBK Corporate Bank Family Company
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2017
- JanExpansion of FRP & PE Line
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2016
- JunExpansion of export markets to Europe and Central/South America
- AprPartnership agreement with DM industry(Exclusive Distributor)
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2010
- SepCertification as a Venture Enterprise
- JulISO certification for Quality Management System and Environmental Management System
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2008
- JulEstablishment of FRP, PE, Filler Lines
- MayEstablishment of Seungsan