Dau Tu Xay Dung Thuong Mai Hai Ngoc Joint Stock Company Address: No 93, Le Thanh Nghi Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105580982 Phone: 0933199606 Representative: Dang Quang Loc Adress: No 517, Hong Bang Street, Ward 14, District 5, Ho Chi Minh City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 20 - 10 - 2011