Tu Van Dich Vu Ky Thuat Cong Nghe Nang Luong Son Hai LTD Address: 14, 67/3 Le Thanh Nghi Alley, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102577068 Phone: 0249872658 Representative: Pham Dao Khanh Adress: No 7, Thuy Ai 2 Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 12 - 2007