Khai Thac Khoang San Phu Tho Joint Stock Company Address: Khu 6 Son Thuy, Thanh Thuy Commune, Tinh Phu Tho, Viet Nam Enterprise code: 2601137348 Phone: 0326677789 Representative: Nguyen Van Huyen Phu Tho ProvinceFounding date: 26 - 8 - 2025