Khoang San Thien Tan Joint Stock Company Address: No 102, Hoang Van Thai Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109901161 Phone: 0976674687 Representative: Nguyen Huu Luan Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 28 - 1 - 2022