Dau Tu Xay Dung Va Moi Truong O2 Joint Stock Company Address: Zoom 284 Tang 2, No 275 Lach Tray, Dang Giang Ward, Ngo Quyen District, Hai Phong City Enterprise code: 0200968165 Phone: 02253653429 Representative: Ngo Thi Tuyet Mai Adress: No 9B111, Khu B2, Cat Bi Ward, Hai An District, Hai Phong City Dang Giang Ward, Ngo Quyen District, Hai Phong CityFounding date: 22 - 8 - 2009