Hallmark Media LTD Address: No 236, Nam Mau Hamlet, Thuong Yen Cong Commune, Uong Bi City, Quang Ninh Province Enterprise code: 5702053562 Phone: 0931014888 Representative: Dao Viet Hung Adress: No 236, Nam Mau Hamlet, Vang Danh Ward, Uong Bi City, Quang Ninh Province Thuong Yen Cong Commune, Uong Bi City, Quang Ninh ProvinceFounding date: 4 - 8 - 2020