DN-Minsu Roofing Corporation Use DN Steel’s DN W-Seam 650, the best solution for leak free low sloped roofing even at 1° and length more than 30 mts. Available in DN-Minsu Roofing Corporation located at GF/ Door A&B JSB Bldg. Mayor Jaldon St. Brgy. Canelar Zamboanga City. For more information, you may contact us at 0977 846 2400 for inquiries. 2023-11-13 Denver Editor