Hop Tac Xa Xay Dung Va Dich Vu To Lan Address: Dong Van Town, Dong Van Town, Dong Van District, Ha Giang Province Enterprise code: 5100352614 Phone: 02193856208 Representative: Nguyen Thi Chap Adress: Dong Van Town, Dong Van Town, Dong Van District, Ha Giang Province Dong Van Town, Dong Van District, Ha Giang ProvinceFounding date: 24 - 5 - 2011