Truyen Thong Opal LTD Address: 4th Floor, No 21, Lane 2, Le Van Huu Street, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0109897268 Phone: 02439878851 Representative: Nguyen Van Thanh Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi CityFounding date: 25 - 1 - 2022