Khach San Hai Yen (Cty Tam Duc) Address: So: 05, Ba Trieu Street, Bac Son Ward, Sam Son Town, Thanh Hoa Province Enterprise code: 2801034036-001 Phone: 0237821196 Bac Son Ward, Sam Son City, Thanh Hoa ProvinceFounding date: 21 - 3 - 2007