Xay Dung Gammon- CC1 TNHH Address: 57, Quang Trung Street, Hai Ba Trung District, Ha Noi City Enterprise code: 0100113832 Phone: 0248229901 Adress: 48 Ly Thuong Kiet, Hoan Kiem District, Ha Noi City Hai Ba Trung District, Ha Noi CityFounding date: 28 - 5 - 1998