Gang Thep Van Loi Ha Giang Joint Stock Company Address: No 31, Nguyen Thai Hoc To 10 Street, Minh Khai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100180179 Phone: 0219827242 Representative: Tran Manh Hung Adress: Dong Hamlet, Xuan Dinh, Tu Liem HN, Tu Liem District, Ha Noi City Minh Khai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 19 - 9 - 2005