Cty TNHH Thuong Mai Phat Trien Tong Hop Long Tra Address: No 22, Nhi Thanh Street, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900261019 Phone: 0987564568 Representative: Nguyen Thi Hong Adress: No 40, Khu Iii, Na Duong Town, Loc Binh District, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 7 - 9 - 2007