Van Phong Dai Dien Tai Ha Noi - Cong Ty Co Phan Dich Vu Thong Tin Tre Tho Address: 14th Floor, Ladeco Building, No 266 Can Hamlet, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0305327151-002 Phone: 02839118430 Representative: Hoang Dieu Linh Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 17 - 10 - 2012