Vien Thong Quang Duc Joint Stock Company Address: Dong B Hamlet, Van Dien Hamlet, Tu Hiep Commune, Tu Hiep Commune, Thanh Tri District, Ha Noi City Enterprise code: 0102655492 Phone: 0246812106 Representative: Do Quang Khanh Adress: Hamlet 8, Hoang Long Commune, Phu Xuyen District, Ha Noi City Tu Hiep Commune, Thanh Tri District, Ha Noi CityFounding date: 28 - 2 - 2008