CHOSUN WELDING POHANG produces “welding materials” such as covered arc welding
electrodes and solid wire for carbon dioxide gas arc welding, the best quality products in Korea.
In January 2010, the company was established and split off into an independent entity pursuant
to a decision to become a holding company.

CHOSUN WELDING mass-produces high quality welding materials including flux cored
wire, submerged arc welding material and MIG/TIG wire. It aims to become a strategic base in
the 21st century through continuous investment and R&D as it strives to predict market trends
of high-value oriented and automation. In January 2010, it was established and spun off into
an independent entity pursuant to a decision to become a holding company.

CHOSUN VINA, an overseas manufacturing and selling point of “Chosun Welding materials”
produces covered electrodes and flux cored wires. It accelerates to grow globally through
continuous technology development and investment expansion.

CHOSUN WELDING JAPAN established in 2009 to provide “Chosun Welding materials” to
Japanese customers is now actively operating and developing business in Japan.