Trong Tin Holdings Joint Stock Company Address: No 180, Ba Trieu Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Enterprise code: 4900889036 Phone: 0829757677 Representative: Duong Van Thang Adress: Civil Group 1, Khu 3, Tran Hung Dao Ward, Ha Long City, Quang Ninh Province Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 11 - 8 - 2022