Chi Nhanh Lang Son - Cong Ty Co Phan Dau Tu & Phat Trien Nha So 6 Ha Noi Address: No 8, Trung Tam Thuong Mai Dong Dang, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 0100383878-001 Phone: 02058457630 Representative: Truong Van Nam Adress: No 2, Luong Su C, Van Chuong Ward, Dong Da District, Ha Noi City Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 2 - 8 - 2005