Sehan Steel Co.,Ltd is a professional sales company for square steel tubes in Korea.We carry NSMP(Square steel tubing manufacture in Japan)&＃39;s products and possess mainly big size of steel tubes (200mm x 200mm ~ 550mm x 550mm).The logistics center, totaling approximately 110,000 square feet for around 10,000 tons of pipes, is located in Chungcheonbuk-do in Korea.Especially our products are technically superior to others in terms of straightness and quality.Recently, Our products are widly being used in the factory automation industry which require a high degree of accuracy, such as automated stacker cranes, gantry robots, etc.Thank you.