We are the first to develop Pile & Fin Weatherstripping in Korea. For the last 25years, we have developed Pile & Fin Weatherstripping answering the new culture of having various window frame. Our craftsmanship has led us to produce only high quality products, and we finally became one of the best and most expert Single Weatherstripping companies. From the bottom of our hearts, we thank you all of you who have traded with Yusung Co., We also promise you that, as a way of responsibly sharing company profit, we will do our best to protect our environment and contribute to social welfare. We ask for your continued attention and support. Representative Director Jaeik, Son