- 2016
- Oil injection compressor CE mark re-acquired
- Oil-free scroll compressor MET mark acquired
- 2014
- Chairwoman Kim Jung-ja receives Gold Tower Order of Industrial Merit
- 2012
- Oil-free screw compressor registered as qualified supplier for power facilities (Korea South-East Power, Korea Southern Power)
- 2010
- Oil-free screw compressor independently developed
- Oil-free scroll compressor independently developed
- 2009
- Suzhou China factory completed, local factory sales begin
- 2008
- Industrial compressor division 2nd factory relocation
- 2007
- Silver Tower Order of Industrial Merit (excellent capital goods development)
- Compressor CE mark acquired
- 2006
- Compressor reliability certification acquired (Ministry of Commerce No. 2006-40)
- 2005
- 350 km/h high-speed railway braking and current collector systems developed
- 2002
- Korea's first modular air-end developed
- Korea's first microprocessor-controlled compressor developed
- 2001
- Industrial compressor division established
- Urban railway quality certification (KRT) acquired (Ministry of Construction No. 1)
- Korea's first 5×6 screw air-end series independently developed (YDA Series)
- 2000
- YUJIN Vehicle Maintenance Co., Ltd. established
- 1999
- Korea's first inverter-type screw compressor developed
- 1994
- YUJIN Electric Industry Co., Ltd. established
- 1990
- VVVF electric train braking system developed
- 1987
- In-house research institute recognized (Ministry of Science No. 565)
- 1985
- Designated as a promising SME (SME Promotion 85-635)
- 1981
- Ansan factory established, headquarters relocated to Ansan
- 1980
- Railway vehicle screw compressor developed
- 1972
- YUJIN Industrial Machinery Co., Ltd. established