Phat Trien Cong Nghe Viet Y Joint Stock Company Address: Lot 05, 10a, Hoang Mai Industrial Zone, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0100947267 Phone: 0248621177 Representative: Nguyen Thu Hien Adress: No 62 Lan Ong, Hang Bo Ward, Hoan Kiem District, Ha Noi City Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 4 - 11 - 1999