Keyone Viet Nam Joint Stock Company Address: No 77, Lane 467, Linh Nam Street, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0110338641 Phone: 02386097970 Representative: Hoang Anh Thong Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 5 - 5 - 2023