ROLL Engineering Co., Ltd. South Korea bumper beam, curtain wall, door frame, forming rolls, purlins, roll forming system, stretch bending, and ultra high tensile
Dongwon Mobility Co., Ltd. South Korea automotive profiles, battery pack frame, bumper beam, door frame, high-strength steel, roll forming, side sill, and stretch bending
Sungwoo Hitech Co., Ltd. South Korea automotive biw, battery enclosure, bumper beam, hot stamping, roll forming, side sill, ultra high strength steel, and variable roll forming
