Phat Trien Quoc Te Dau Tu Blue Diamond Joint Stock Company Address: No B18/D21, Moi Cau Giay Urban Area, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107138459 Phone: 0914323668 Representative: Duong Cong Xa Adress: No 43 Thanh Yen, Phuc Tan Ward, Hoan Kiem District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 11 - 2015