Truong Mam Non Xa Hop Thanh Address: Khoi 5, Hop Thanh Commune, Cao Loc District, Lang Son Province Enterprise code: 4900781709 Phone: 02053853888 Representative: Dang Thi Thuy Hop Thanh Commune, Cao Loc District, Lang Son ProvinceFounding date: 10 - 4 - 2015