The Classlib LTD Address: 1st Floor, Packsimex Building, 52 Dong Du, Ben Nghe Ward, District 1, Ho Chi Minh City Enterprise code: 0313916707 Phone: 0937859490 Representative: Le Quoc Dat Adress: 9/24 (Cau Thang), Vo Truong Toan, Ward 2, Binh Thanh District, Ho Chi Minh City Ben Nghe Ward, District 1, Ho Chi Minh CityFounding date: 15 - 7 - 2016