Phat Trien Cong Nghe Va Tu Van Dau Tu Ha Noi Joint Stock Company Address: No 7 A, Lane 351, Au Co Street, Nhat Tan Ward, Tay Ho District, Ha Noi City Enterprise code: 0101245969 Phone: 0247198860 Representative: Bui Trung Kien Adress: 246 Hang Bong, Hoan Kiem District, Ha Noi City Nhat Tan Ward, Tay Ho District, Ha Noi CityFounding date: 29 - 5 - 2002