Chi Nhanh Tai Lang Son - Cong Ty CP Dich Vu Dau Tu Thuong Mai Hop Nhat Thuan Thanh Address: Khoi, Vinh Thuan Street, Bac Son Commune, Tinh Lang Son, Viet Nam Enterprise code: 2300642996-001 Phone: 0979472522 Representative: Trinh Dinh Cuong Lang Son ProvinceFounding date: 28 - 8 - 2025