Phat Trien Cong Nghe Hop Luc Joint Stock Company Address: Civil Group 6, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101258781 Phone: 0247840391; 0247721086 Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 7 - 2002