Thuong Mai Du Lich Yen Yen LTD Address: No 289 Tran Khat Chan, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106772285 Phone: 02439715071 Representative: Nguyen Thi Hai Yen Adress: No 289 Tran Khat Chan, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Thanh Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 13 - 2 - 2015