Hoi Chieu Sang Viet Nam Address: 77 To Hien Thanh, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0104081701 Phone: 02439745744 Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 1 - 8 - 2009