Khu Quan Ly Giao Thong Do Thi So 4 Address: 272 Co Bac, Co Giang Ward, Co Giang Ward, District 1, Ho Chi Minh City Enterprise code: 0304813310 Phone: 0288360431 Representative: Nguyen Xuan Vinh Adress: 71 Ky Con, Nguyen Thai Binh Ward, District 1, Ho Chi Minh City Co Giang Ward, District 1, Ho Chi Minh CityFounding date: 31 - 1 - 2007