| 1994-02 |
Established VSI as a private business |
| 1999-04 |
Certified as a venture business |
| 2000-01 |
Converted to a corporation as VSI Co., Ltd. |
| 2000-03 |
Corporate-affiliated research institute certified (Korea Industrial Technology Association) |
| 2001-12 |
Designated as a company for alternative military service |
| 2002-06 |
Recognized as a company specializing in parts and materials |
| 2003-04 |
Obtained certificate for ISO9001.2000 standards |
| 2003-06 |
Recognized as a Clean Workplace (Ministry of Labor) |
| 2006-02 |
Designated as an INNO-BIZ Company (Ministry of Knowledge Economy) |
| 2006-11 |
Established a branch plant for the production of high-voltage bushings |
| 2009 |
Selected for Million Dollar Export Tower by Daejeon Chungnam Small and Medium Business Administration |
| 2009-04 |
Nominated as an IP Star Company (Daejeon Techno Park) |
| 2009-08 |
Designated as a High-Tech Company (Ministry of Knowledge Economy) |
| 2009-09 |
Received Technology Evaluation Grade of “A+” (Korea Technology Finance Corporation) |
| 2009-12-06 |
Developed a through-type insulator (Navy Logistics Commander) |
| 2010-12 |
Nominated as a Promising Small and Medium Business in Exports (Small and Medium Business Administration) |
| 2012-02 |
Selected as a Technology Innovator SME (INNO-BIZ) |
| 2012-03 |
Received commendation from the Minister of Science and Technology |
| 2012-08 |
Selected as the Best Company |
| 2013 |
Obtained the S mark |
| 2013-04 |
Obtained certification for ISO 9001 and 14001 standards |
| 2014-03 |
Received Green Technology Certification |
| 2016 |
Received explosion-proof slim bar safety certificates (5 types of nonincendive explosion-proof) |
| 2018-04 |
Received explosion-proof slim bar safety certificates (4 types of nonincendive explosion-proof) |
| 2018-07 |
Awarded in the industrial technology sector (CNT-based field emission digital X-ray source) |
| 2018-08 |
Designated as a Main Biz Company |
| 2019 |
Received a license for medical device manufacturing |
| 2019-06 |
Received a commendation from the Minister of Science and ICT (selected as one of the top 10 nanotechnologies - Source technology of CNT-based ultra-high-speed field emission digital X-ray) |
| 2020-02 |
Obtained ISO 13485 certification |
| 2020-03 |
Obtained CE certification for Explosion-proof Slim bar Ionizer |
| 2020-09 |
Acquired conformity certification (GMP) for medical device manufacturing and quality control standards |
| 2021 |
Completed the construction of the Oecheon production plant |
| 2021 |
Obtained CE certification for VUV ionizer |
| 2021-04 |
Received manufacturer's license and item permission for veterinary medical devices |
| 2021-06 |
Obtained CE certification for Portable Dental X-ray |
| 2021-11 |
Obtained CEcertification for Neutra-Ray Ionizer |
| 2022-05 |
Received origin certification and exporter certification for each supplier |
| 2023-12 |
Confirmed as a company specializing in materials, parts, and equipment |