Chi Nhanh Cong Ty Co Phan Dich Vu Duong Sat Khu Vuc I Address: Zoom 2 Tang 1, Ga Dong Dang, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 0100805463-011 Phone: 02053518397 Representative: Va Kim Ngan Cao Loc District, Lang Son ProvinceFounding date: 3 - 11 - 1999