Tu Van Cong Nghe Va Xay Dung Vicons Joint Stock Company Address: No 12, Lane 84, Ngoc Khanh Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103580722 Phone: 02466872308 Representative: Trinh Phu Hung Adress: Tan Cong Hamlet, Dong Tan Commune, Dong Son District, Thanh Hoa Province Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 18 - 3 - 2009