Khai Thac Vat Lieu Xay Dung Dong Xuan Joint Stock Company Address: No 4, Alley 7, Lane 83, Dao Tan Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102847839 Phone: 0247667017 Representative: Vu Thi Kim Nhung Adress: Civil Group 59, Dong Anh Town, Dong Anh District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 5 - 8 - 2008