Tu Van Thiet Ke Xay Dung HLC Dong Van Joint Stock Company Address: Civil Group 5, Dong Van Town, Dong Van District, Ha Giang Province Enterprise code: 5100475447 Phone: 0943357796 Representative: Nguyen Khac Nguyen Dong Van Town, Dong Van District, Ha Giang ProvinceFounding date: 27 - 12 - 2019