Van Tai Dau Khi Ha Noi Joint Stock Company Address: S1-A Tang 14, Tong Cong Ty 319 Building, 63 Le Van Luong, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102396287 Phone: 0245563646 Representative: Bui Huu Co Adress: No 19a, Civil Group 4, Lang Thuong Ward, Dong Da District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 24 - 10 - 2007