Tu Van Ky Thuat Va Thuong Mai Actt Joint Stock Company Address: No 28, Nguyen Van Troi Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101657930 Phone: 0246648052 Representative: Nguyen Van Phuc Adress: No 44 Khu I, Tan Binh Town, Yen Son District, Tuyen Quang Province Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 25 - 5 - 2005