2017
- Acquired Confirmation of Venture Business
2016
- Newly established ACK Co., Ltd
2015
- Delivered Sirius engines to Hyundai Motors
2013
- Developed and mass-manufactured cast irons, cylinder blocks and cylinder heads (LSMtron)
2011
- Merged the automotive parts business with Hyundai BNG Steel Co., Ltd
2010
- Delivered series V6 cylinder heads to Ssangyong Motors

2009
- Developed a hollow subframe (Hyundai Motors)

2004
- Established ACK Co., Ltd
- Precise sand mold low pressure die-casting
- GV6 Cylinder block cylinder head (Kia Motors)

