Thuong Mai Dich Vu Va Ky Thuat Van Xuan Joint Stock Company Address: No 136, Vong Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102172872 Phone: 02439725804 Representative: Duong Van Thanh Adress: No 136, Vong Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 28 - 2 - 2007