Tong Cong Ty Xay Dung- Khoang San- Thuong Mai Tong Hop Tien Thanh LTD Address: Civil Group 1, Viet Quang Town, Bac Quang District, Ha Giang Province Enterprise code: 5100109708 Phone: 02193823045 Representative: Pham Kim Hoan Viet Quang Town, Bac Quang District, Ha Giang ProvinceFounding date: 30 - 9 - 1998