Thank you for choosing FOLZEN KOREA CO.,LTD., a professional folding door manufacturer. As one type of windows and doors, the folding door is a system for windows and doors having Over 90% open and shut rate that can be applied in all places requiring more efficient space use. Recently in commercial spaces, the folding doors are widely used in places such as restaurants, cafes and automobile stores since they allow easier accessibility of customers and excellent ventilation. In residential spaces, the folding doors can be opened and closed as necessary, thereby enhancing the efficiency of both air conditioning, heating and the sense of openness in the limited space.