MTV Trinh Thai Son LTD Address: No 237, Le Loi Street, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900748388 Phone: 0352770979 Representative: Pham Anh Duc Adress: No 51, Ngo Van So Street, Hoang Van Thu Ward, Lang Son City, Lang Son Province Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 27 - 8 - 2012