Khai Thac Va Che Bien Mangan Ha Giang Joint Stock Company Address: Civil Group 1, Vi Xuyen Town, Vi Xuyen District, Ha Giang Province Enterprise code: 5100351096 Phone: 0913266501 Representative: Pham Van Thinh Adress: Tan Dan Commune, Kinh Mon District, Hai Duong Province Vi Xuyen Town, Vi Xuyen District, Ha Giang ProvinceFounding date: 27 - 4 - 2011