Hop Tac Xa Lung Khieng Address: Sinh Long Commune, Na Hang District, Tuyen Quang Province Enterprise code: 5000403209 Phone: 02072214700 Representative: Hoang Thi Phay Adress: Na Hang District, Tuyen Quang Province Sinh Long Commune, Na Hang District, Tuyen Quang ProvinceFounding date: 9 - 4 - 2009