O To Dca Joint Stock Company Address: 106, Giang Vo Street, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0102727002 Phone: 0248234781; 0247183635 Representative: Nguyen Huu Tuong Adress: No 16 V11, Bo Cong An Town, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 23 - 4 - 2008