Thuong Mai Va Ky Thuat Tan Phong LTD Address: No 46 Khu Nha La, Tay Son Street, Quang Trung Ward, Dong Da District, Ha Noi City Enterprise code: 0101375044 Phone: 0245110729 Representative: Duong Hoang Hiep Adress: No 46 Khu Nha La, Tay Son, Quang Trung Ward, Dong Da District, Ha Noi City Quang Trung Ward, Dong Da District, Ha Noi CityFounding date: 20 - 6 - 2003