The 350-Ton Preforming machine by Samchang Heavy Industries, manufactured in 2005, is a heavy industrial preforming machine listed in the HANKOOK machinery document.

The machine has a 350-ton capacity and is equipped with a 2500 × 2000 mm bolster, providing a large working area for industrial forming operations. Its ram stroke is 1000 mm, while the listed operating speed is 250 mm/sec.