HISTORY

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.

2004.

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. 

2014.

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)