1992~
2000
1992. 07 Establishment of DONG A SYSTEM
1993. 04 Aero Hand Research Institute of Industrial Science & Technology (RIST) Registration
1995. 03 POSCO Supplier/Vendor Registration
1996. 03 Korea Electrotechnology Research Institute (KERI) Supplier/Vendor Registration
1997. 06 Development of 70kV High Voltage Series Connected Semiconductor Switch
1998. 03 POSCON (Currently renamed to POSCOict) Supplier/Vendor Registration
1998. 03 Pohang Accelerator Laboratory Supplier/Vendor Registration
1998. 09 Development of m -Pulse Power Supply for Electrostatic Precipitator
1999. 02 Renames to Dong A High-Tech
1999. 11 Purchase and Relocates the Factory
2001~
2010
2001. 03 Development of Denitrification Desulfurization for Pulse plasma Power Supply (25kV/120kW)
2002. 04 Development of High Voltage Power Supply for 150MW Modulator (50kV / 45kW)
2004. 06 Development of First 100kV/15kW Capacitor Charging Power Supply
2005. 12 Development of 4th Generation High-Precision Synchrotron Radiation CCPS Prototype
2006. 07 Development of POSCO Cold Mist cooler Power Supply
2006. 10 Development of 50kv/240kW CCPS
2007. 07 Development of High-Precision Thz FIR Modulator Power Supply (100ppm)
2008. 12 Development of Pulse Power Supply for Plasma doping (Hynix Semiconductor)
2010. 05 Hanwha Supplier/Vendor Registration (National Military Defense)
2010. 10 LIG NEX1 Supplier/Vendor Registration (National Military Defense)
2010~2012 Nano Semiconductor Equipment source technology commercialization program (Knowledge Economy Technology Innovation Business)
2010. 10 Samsung Electronics Supplier/Vendor Registration
2011~
2011. 02 Development of 4th Generation High-Precision Acelerator Modulator CCPS (50ppm)
2011. 05 Development of 60kV/10A Semicondutor Swith Module (Korea Multi-Purpose Accelerator Complex)
2011. 08 Development of 800kV EMP First Power Device (National Military Defense)
2012. 05 Pulse Power Supply Delivery (Samsung Electronics)
2012. 12 End Development of 50kV/120kW 10ppm CCPS (for 4th Generation Synchroton Accelerator)
2013. 02 4th Generation Synchrotron Accelerator-Precision Modulator Power Supply Delivery (100 SET)
2014. 03 60kV/300 Hz E-Gun Pulse Power Supply Delivery (Proton Accelerator)
2017. 12 Awarded the Minister Prize of Ministry of Science and ICT