Thuong Mai Va Dich Vu Ky Thuat Van Son LTD Address: No 165 Vu Huu, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102305586 Phone: 0245532125 Representative: Hoang Thi Thuong Adress: Duong Lieu Hamlet, Minh Tan Commune, Kien Xuong District, Thai Binh Province Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 7 - 2007