Xay Dung Va Thuong Mai Hoang Son Joint Stock Company Address: 167, Phan Chau Trinh, Phuoc Ninh Ward, Hai Chau District, Da Nang City Enterprise code: 0400487959 Phone: 02363565522 Representative: Vinh Hung Adress: Civil Group 38, An Hai Bac Ward, Son Tra District, Da Nang City Phuoc Ninh Ward, Hai Chau District, Da Nang CityFounding date: 6 - 5 - 2005