Ky Thuat Cong Trinh Thang Long Joint Stock Company Address: No 13 Civil Group 44, Lane 195, Trung Kinh Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106933221 Phone: 0942251087 Representative: Hoang Manh Hung Adress: Yen Thi Hamlet, Tien Thinh Commune, Me Linh District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 8 - 2015