Tu Van Cong Nghe Xay Dung & Kien Truc A Chau Joint Stock Company Address: No 368, Trung Kinh Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101249586 Phone: 0247843547 Representative: Phan Tung Tuyen Adress: No 36 18 P.Bach Dang Civil Group, Hai Ba Trung District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 6 - 2002