Da Va Khoang San Thoi Gian Joint Stock Company Address: No 155, 167 Nguyen Ngoc Vu Lane, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0105685382 Phone: 02436367457 Representative: Phan Thanh Nam Adress: 45 Vong Thi, Buoi Ward, Tay Ho District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 12 - 2011