Dawonsys is a South Korean company manufacturing rolling stock, display, semiconductor, plant equipment, and environmental systems.

It changed its name to the current one in May 2001 to reflect its parent company.

The company then announced the acquisition of its competitor Rowin Corporation in 2016 and subsequently absorbed in February 2017.

[2] Dawonsys currently employs 261 and exports to countries worldwide.

[3] Notable projects include supplying some of South Korea's rolling stock, which includes several Electric multiple units for some lines in Seoul Metro.