This product is paid attention from the world's industry and proved from cost saving effects and strength. This is used at construction industry such as road, park, ship and chemistry plant.

Hot Dip Galvanizing is excellent at life than other coating methods. The need of repair does not exist; therefore it is economical because repair costs and labor costs are saved.

This is an automatic pressure welding machine designed by Sangjin. Two cross bars enable simultaneously to weld with pressure