Quan Ly Tai San Thien Ngan LTD Address: 15th Floor, Vinaconex Diamond Building, No 459C Bach Mai, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0110877763 Phone: 0902451168 Representative: Bui Thanh Long Truong Dinh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 31 - 10 - 2024