2019
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- 04
- Certified as a Ppuri (Root) company
2016
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- 06
- Certified as a technological innovation small & medium business firm (Inno-Biz)
2015
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- 10
- Additionally installing the 6th continuous casting equipment
- 08
- Obtained the patent for continuous casting machine
- 06
- Obtained the patent for mold supporting device for centrifugal casting machine
2014
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- 10
- Expending the 5th continuous casting equipment
- 09
- Certification of the Korea Industrial Technology Promotion Association's Institute of Corporate Attachment
- 08
- ISO 9001:2008 Quality Management System Certification
- 06
- Certified as KIBO venture company
- 03
- Expending the 4th continuous casting equipment
2013
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- 08
- Reorganization of Centrifugal Foundations Units 1 and 2 and Extension of Units 3 and 4
- 07
- Additionally installing two 800Kg electric furnaces
- 07
- Expanding and relocating of the company to Sorigae-gil, Tanhyeon-myeon, Paju-si, Gyeonggi-do,
2010
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- 03
- Additionally installing two 500Kg electric furnaces
2009
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- 11
- Additionally installing the 2nd and 3rd continuous casting equipment
- 07
- Installing and operating the 1st continuous casting equipment
- 06
- Installing and operating the 1st and 2nd centrifugal casting equipment
- 05
- Installing spectro analysis equipment
- 05
- Installing and operating two 800Kg electric furnaces (manufacturing ALBC, HBSC, YBSC, PBC, BC and LBC)
- 04
- Establishing the company (Name: Yangyang Metal) in Deogeun-ri, Wollong-myeon, Paju-si, Gyeonggi-do