Tu Van Va Thiet Ke Kien Truc Kien Group Joint Stock Company Address: No 11 Khuat Duy Tien, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109743123 Phone: 0969349336 Representative: Bui Van Hoang Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 8 - 9 - 2021