Established in South Korea in 2009, Doowon Highsteel is a leading engineering firm that manufactures specialized welded pipes and pipe fittings for shipbuilding, offshore platforms, LNG carriers, the defense industry, and energy transmission lines.

The company produces large-diameter, specialized leak-proof pipes made from stainless steel, carbon steel, duplex/super duplex, and copper-nickel (Cu-Ni) alloys.

Certified by international maritime classification societies such as ABS, DNV, BV, LR, and KR, Doowon Highsteel provides high-strength, corrosion-resistant piping solutions to global shipyards—including Samsung Heavy Industries and Hanwha Ocean—as well as to oil, gas, and offshore infrastructure projects.