- 2016
- Busan Line 1 Driving Gear localization development and delivery
- 2012
- Busan Line 4 Pantograph collector improvement and delivery
- 2011
- Busan Line 2 Driving Gear localization development and delivery
- 2010
- Busan Line 2 ECU localization development and delivery
- Daegu Line 1 EOD localization development and delivery
- 2008
- KORAIL KTX Brake Panel Tester delivery
- 2005
- Busan Line 3 Brake System Tester delivery
- Busan Line 1 Pantograph collector improvement and delivery
- JEIL Rollingstock Co., Ltd. founded