Vang Bac Hien Thanh Address: No 103, Nam Quan Street, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 4900743326 Phone: 02053851788 Representative: Le Mai Hanh Adress: No 212, Khu Day Thep, Dong Dang Town, Cao Loc District, Lang Son Province Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 1 - 8 - 2012