Valis Joint Stock Company Address: Z4-29 Tang 1- Trung Tam Thuong Mai Leparc, Khu A Cong Vien Yen So, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108005123 Phone: 02462930093 Representative: Do Minh Thanh Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 28 - 9 - 2017