Sewon Precision, based on research and leading-edge technology of Pohang Steel group, performs elaborate installation and A/S services to complete satisfaction of customers.With an execution of an joint industry-academia R&D agreement with Keum-oh Engineering College in an area of super-large automatic door and application of the state-of-the-art analysis program design for engineering structural analysis in Super Series, our leading technological capability has been verified worldwide in terms of price, quality, delivery and, in particular, durability.On the strength of our experience of developing automatically restoring Speed Roll-up door, first of its kind in Korea, we will do our best to stay unrivalled in developing PILE UP DOOR in an area of super-large door.