Tu Van Va Xay Dung Kim Tin LTD Address: Hamlet 1, Hoang Su Phi Commune, Hoang Su Phi District, Ha Giang Province Enterprise code: 5100514343 Phone: 0919756869 Representative: Nguyen Thanh Vinh Hoang Su Phi District, Ha Giang ProvinceFounding date: 21 - 1 - 2026