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- 2022
- 01. Designation of promising small and medium-sized export enterprises - Gyeonggi Province Small and Medium Venture Business Administration
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- 2019
- 08. 0Extended certification of venture and Innobiz companies
- 03. Patent Application (Chamfering Cutting Tool with Complex Function)
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- 2017
- 10. Gyeonggi Province's Promising Small and Medium Enterprises
- 08. ISO 9001:2015 Certification
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- 2015
- 11. Certificate of Origin by Item Exporter Certification - Seoul Customs
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- 2013
- 09. Venture Business Certification, INNO-BIZ Entrepreneur
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- 2012
- 05. KEP (Korea E Platform Co., Ltd.) Supplier registration (delivery of tools for KAI aviation)
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- 2011
- 12. Capital increase (650 million won)
- 11. Korean Air (Busan Civil Aircraft Manufacturing Plant) Registered as a cutting tool supplier
- 11. Selection of companies designated for military service (Military Manpower Administration)
- 05. LG Electronics Vendor Registration (End Mill and others)
- 04. Honam Petrochemical Supplier Registration (Special Taper Pin Reamer et al.)
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- 2010
- 05. Patent Application (Side Milling Cutter for cutting edge)
- 05. Capital Increase (KRW 550million)
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- 2009
- 09. Capital increase (450 million won)
- 07. Heasquarters and factory Relocation (1521 Bogwang-ro, Gwangtan-myeon, Paju-si, Gyeonggi-do, 10831)
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- 2008
- 12. Capital increase (250 million won)
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- 2006
- 10. Capital increase (150 million won)
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- 2004
- 10. Clean Factory Certification (Ministry of Labor)
- 04. Change the name to DYC Co., Ltd
- 04. Headquarters and factory relocation (Neojori, Gwangtan-myeon, Paju-si, Gyeonggi-do)
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- 2003
- 01. Transition to Dongyang Precision Corporation
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- 2001
- 07. Start Manufacturing of ‘Cobalt-HSS Helical Machine Reamer’ first in Korea
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- 1995
- 02. Establishment of Dongyang Precision Industry (Janghang-dong, Ilsan-gu, Goyang-si, Gyeonggi-do)
