Thuong Mai Va Du Lich Duyen Viet LTD Address: Doan Ket Hamlet, Son Duong Town, Son Duong District, Tuyen Quang Province Enterprise code: 5000531641 Phone: 0988053252 Representative: Pham Thi Ngat Adress: Tan Hong Hamlet, Tu Thinh Commune, Son Duong District, Tuyen Quang Province Son Duong Town, Son Duong District, Tuyen Quang ProvinceFounding date: 10 - 7 - 2009