Da Granite & Marble Tu Nhien Thien Son Joint Stock Company Address: No 85 D6, Moi Dai Kim Urban Area, Dai Kim Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101325156 Phone: 0245637245 Representative: Mai Duc Hien Adress: No 34, Kham Duc Lane, Trung Phung Ward, Dong Da District, Ha Noi City Dai Kim Ward, Hoang Mai District, Ha Noi CityFounding date: 16 - 1 - 2003