J&J ENC (Roksan Eng) is one of Korea’s leading companies in hydroelectric construction. We have successfully completed numerous major projects, including: The 14.3 km-long Incheon Bridge, commissioned by the Ministry of Land, Infrastructure and Transport, connecting Incheon International Airport with the city center. The bridge was completed over a two-year period. The Sejong Bridge project, commissioned by the Ministry of the Interior and Safety and the Ministry of Infrastructure and Transport in 2019, located in Jeollanam-do. This bridge, completed in two years, measures 10.8 km in length. In addition, several infrastructure projects are currently underway near Mokpo City, Jeollanam-do. As a construction company rooted in Korea, J&J ENC (Roksan Eng) extends its vision beyond borders — delivering safe, high-quality, and environmentally conscious construction through innovation and passion. We take pride in offering clients exceptional workmanship and complete satisfaction. Our team is fully prepared to take on even the most complex projects. We sincerely hope to build strong partnerships with you in hydroelectric and residential construction. We are confident that our extensive experience can contribute to your success. We promise to be a construction partner you can trust.