Dau Tu Cao Nguyen Da Joint Stock Company Address: Tan Lap Hamlet, Ngoc Linh Commune, Vi Xuyen District, Ha Giang Province Enterprise code: 5100251623 Phone: 02193856868 Representative: Pham Chi Hoa Ngoc Linh Commune, Vi Xuyen District, Ha Giang ProvinceFounding date: 11 - 6 - 2008