O To Thanh Cong Pham Hung Joint Stock Company Address: No 16a, Pham Hung Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105581344 Phone: 02437689669 Representative: Dinh Thi Mai Hong Adress: No 10, Hoang Nhu Tiep Street, Bo De Ward, Long Bien District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 21 - 10 - 2011