Trung Tam Tiet Kiem Nang Luong Va San Xuat Sach Hon Address: No 9 Lach Tray, Lach Tray Ward, Ngo Quyen District, Hai Phong City Enterprise code: 0200983484 Phone: 02253734448 Representative: Dao Sy Hanh Adress: No 104 Nguyen Duc Canh, Le Chan District, Hai Phong City Lach Tray Ward, Ngo Quyen District, Hai Phong CityFounding date: 19 - 9 - 2009