Thuong Mai Va Dich Vu Vien Thong Phuong Ha LTD Address: No 81, Phao Dai Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0103019669 Phone: 02462667667 Representative: Nguyen Le Chi Adress: Khu Tan Thinh, Tan Yen Town, Ham Yen District, Tuyen Quang Province Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 20 - 11 - 2008