Vi To Sa Joint Stock Company Address: Nha 6a, Lane 109, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102154859 Phone: 0249343395 Representative: Nguyen Huy Hoang Adress: No 229, Bach Mai Street, Cau Den Ward, Hai Ba Trung District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 5 - 2 - 2007