Thuong Mai Va Phat Trien Cong Nghe Hoang Hai LTD Address: 178a Truong Dinh, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102016337 Phone: 0246621012 Representative: Nguyen Huy Hoang Adress: 178a Truong Dinh, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Truong Dinh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 24 - 8 - 2006