Phat Trien Cong Nghe Sinh Hoc Van Xuan Joint Stock Company Address: No 9, Alley 43, Lane 77, Bui Xuong Trach Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108278032 Phone: 0974018688 Representative: Dang Quang Huy Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 17 - 5 - 2018