Dau Tu Thanh Quynh LTD Address: Nam Buong Hamlet, Viet Vinh Commune, Bac Quang District, Ha Giang Province Enterprise code: 5100402223 Phone: 01652986016; 0352986016 Representative: Hoang Thi Quynh Adress: Nam Buong Hamlet, Viet Vinh Commune, Bac Quang District, Ha Giang Province Viet Vinh Commune, Bac Quang District, Ha Giang ProvinceFounding date: 6 - 10 - 2012