1992.
| 03. Established Dong Sung - Engineering Co. 03. Developed Quick Float S/W 07. Equipped Plasma Welding M/S 10. Developed Small Size Float S/W | 1993.
| 05. Developed Magnet Float Level Transmitter | 1994.
| 07. Developed Flow-Swith |
1995.
| 06. Developed Gear Type Level Transmitter | 1996.
| 00. Developed Small Size - Quick Float S/W | 1999.
| 00. Start to sales Pressure Type 03. Move Facility(300m²) 09. Developed Sanitary BIEDT 10. Renamed "Dong Sung Sensors Co" 11. Developed Electrode Sensor |
2000.
| 02. Developed Now Level Controller 08. Launched Q-Point Bidet 09. Participated "Innovetive - Technology Show" | 2001.
| 02. Participated Macef AUTUNNO 2001 Milano. Italy 02. Participated 5th MBC- Constructiom Expo 08. Participated 6th MBC- Constructiom exop 10. Participated BauFach/Construction Trade Fair Leipzig2001 11. New Level Controller Development | 2002.
| 01. Participated 7th MBC- Constructiom Expo 05. Participated Seoul intematina- Consumer Goods Fair 2002 08. Paticipated 8th MBC- Constructiom Exop |
2003
| 03. Participated 2003 KOFA 14th korea int'l Automation, Instrumentation and Control System Exhibition | 2004.
| 12. Move Facility (Gasan Digital3 Complex) | 2007.
| 01. Adapted Plasma Welding M/S 01. Developed compact type flow-switch |
2009.
| Developed High Temperature Level -Switch. DFR-7HNS-1. 2. 3 | 2010.
| 03. Certificated MAIN-BIZ (Management Innovation Business) 11. Certificated R&D | 2011.
| 03. Certificated INNO-BIZ (Innovation Business) |
2013.
| 10. Registered as Clean Factory | 2014.
| 01. Established a D.S.S. Corporation | 2015. | 06. Developed Thermoplastic Bonding Float |
2015.
| 11. Developed Stopper Indention Fixing Device for Magnet Float Sensor | 2017.
| 09. Developed New Flow-switch (SUS 3 models)
| 2018.
| 02. Registered a Patent (Manufacturing method of Stopper Indention Fixing Device) |
2018.
| 03. Developed New Flow-switch (PP 3 models) | | | | |
