Khai Thac Da 639.1 Joint Stock Company Address: Khu 6, Xuong Thinh Commune, Cam Khe District, Phu Tho Province Enterprise code: 2600674861 Phone: 02103632258 Representative: Tran Quoc Quan Adress: 80/1 Ba, Huyen Thanh Quan, Ward 09, District 3, Ho Chi Minh City Xuong Thinh Commune, Cam Khe District, Phu Tho ProvinceFounding date: 27 - 4 - 2010