Xay Lap Vien Thong Quoc Hoan Joint Stock Company Address: No 22, 50 Dinh Thon Lane, My Dinh 1 Ward, Nam Tu Liem District, Ha Noi City Enterprise code: 0105149769 Phone: 02462874382 Representative: Trinh Xuan Hiep Adress: Hamlet 8, Dinh Thon Hamlet, My Dinh Commune, Tu Liem District, Ha Noi City My Dinh 1 Ward, Nam Tu Liem District, Ha Noi CityFounding date: 14 - 2 - 2011