Vietnamese Limestone Granular is one of the most popular materials for producing animal feed worldwide. It is rich in calcium content and low in metal, which makes big contribution to the development of animals. Application: Manufacturing Feed Additives For Fish, Shrimp, Layers, Broilers, Swine, Cattle. Materials: High quality Limestone, Calcium (Ca) > 38%, Ferrous (Fe2O3) < 0.05%, Magnesium Oxide (MgO) < 0.2%, Whiteness: 90%, Brightness: 85%, Moisture: < 0.15%. Capacity: 10000 metric tons/ month.