Soosan Heavy Industries Co., Ltd., HANWOO Technology & Commerce, DAEMO Engineering Co., Ltd., DAESHIN Heavy Industries Co., Ltd., Kwanglim SG Co., Ltd and etc.  United States, EC, China and etc. We guarantee exact delivery and top quality since the direct purchasing system with the best-quality special- steel manufacturer which enable us to get a stable supply of materials.     We respond flexibly to the customers' various needs and demands since the advanced equipment and the automated system allow us to establish the most manufacturing capacity in the nation and to get the system of small quantity batch production. We have made efforts to develop new materials and to improve quality through the aggressive investment in R&D and co-research & development system since the beginning of the foundation.